Home / 224,948.88-310,414.68-129,440.16

Finding the Fourth Proportional to 224,948.88, 310,414.68 and 129,440.16

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Solution

The fourth proportional to 224,948.88, 310,414.68 and 129,440.16 is: 178,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,948.88 : 310,414.68 = 129,440.16 : x
  2. Step 2: Convert to fraction form
    224,948.88/310,414.68 = 129,440.16/x
  3. Step 3: Cross multiply
    224,948.88x = 310,414.68 × 129,440.16
  4. Step 4: Simplify right side
    224,948.88x = 40,180,125,845.55
  5. Step 5: Solve for x
    x = 40,180,125,845.55/224,948.88
  6. Step 6: Final answer
    x = 178,618.92

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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.