Home / 347,490-479,532.96-196,587

Finding the Fourth Proportional to 347,490, 479,532.96 and 196,587

Calculator

Solution

The fourth proportional to 347,490, 479,532.96 and 196,587 is: 271,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,490 : 479,532.96 = 196,587 : x
  2. Step 2: Convert to fraction form
    347,490/479,532.96 = 196,587/x
  3. Step 3: Cross multiply
    347,490x = 479,532.96 × 196,587
  4. Step 4: Simplify right side
    347,490x = 94,269,946,007.52
  5. Step 5: Solve for x
    x = 94,269,946,007.52/347,490
  6. Step 6: Final answer
    x = 271,288.23

Related Problems

Find fourth proportional to 173,745, 239,766.48 and 98,293.50
Half scale
Find fourth proportional to 694,980, 959,065.92 and 393,174
Double scale
Find fourth proportional to 347,491, 479,534.34 and 196,588
Similar ratio
Find fourth proportional to 521,235, 719,299.44 and 294,880.50
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.