Home / 346,319.17-519,530.70-121,640

Finding the Fourth Proportional to 346,319.17, 519,530.70 and 121,640

Calculator

Solution

The fourth proportional to 346,319.17, 519,530.70 and 121,640 is: 182,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,319.17 : 519,530.70 = 121,640 : x
  2. Step 2: Convert to fraction form
    346,319.17/519,530.70 = 121,640/x
  3. Step 3: Cross multiply
    346,319.17x = 519,530.70 × 121,640
  4. Step 4: Simplify right side
    346,319.17x = 63,195,714,348
  5. Step 5: Solve for x
    x = 63,195,714,348/346,319.17
  6. Step 6: Final answer
    x = 182,478.24

Related Problems

Find fourth proportional to 173,159.59, 259,765.35 and 60,820
Half scale
Find fourth proportional to 692,638.34, 1,039,061.40 and 243,280
Double scale
Find fourth proportional to 346,320.17, 519,532.20 and 121,641
Similar ratio
Find fourth proportional to 519,478.76, 779,296.05 and 182,460
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.