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Finding the Fourth Proportional to 224,641.32, 309,996.90 and 124,037.16

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Solution

The fourth proportional to 224,641.32, 309,996.90 and 124,037.16 is: 171,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,641.32 : 309,996.90 = 124,037.16 : x
  2. Step 2: Convert to fraction form
    224,641.32/309,996.90 = 124,037.16/x
  3. Step 3: Cross multiply
    224,641.32x = 309,996.90 × 124,037.16
  4. Step 4: Simplify right side
    224,641.32x = 38,451,135,084.80
  5. Step 5: Solve for x
    x = 38,451,135,084.80/224,641.32
  6. Step 6: Final answer
    x = 171,166.80

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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.