Home / 314,112-433,474.56-172,800

Finding the Fourth Proportional to 314,112, 433,474.56 and 172,800

Calculator

Solution

The fourth proportional to 314,112, 433,474.56 and 172,800 is: 238,464

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,112 : 433,474.56 = 172,800 : x
  2. Step 2: Convert to fraction form
    314,112/433,474.56 = 172,800/x
  3. Step 3: Cross multiply
    314,112x = 433,474.56 × 172,800
  4. Step 4: Simplify right side
    314,112x = 74,904,403,968
  5. Step 5: Solve for x
    x = 74,904,403,968/314,112
  6. Step 6: Final answer
    x = 238,464

Related Problems

Find fourth proportional to 157,056, 216,737.28 and 86,400
Half scale
Find fourth proportional to 628,224, 866,949.12 and 345,600
Double scale
Find fourth proportional to 314,113, 433,475.94 and 172,801
Similar ratio
Find fourth proportional to 471,168, 650,211.84 and 259,200
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.