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Finding the Fourth Proportional to 224,998.20, 337,886.10 and 120,022.20

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Solution

The fourth proportional to 224,998.20, 337,886.10 and 120,022.20 is: 180,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,998.20 : 337,886.10 = 120,022.20 : x
  2. Step 2: Convert to fraction form
    224,998.20/337,886.10 = 120,022.20/x
  3. Step 3: Cross multiply
    224,998.20x = 337,886.10 × 120,022.20
  4. Step 4: Simplify right side
    224,998.20x = 40,553,833,071.42
  5. Step 5: Solve for x
    x = 40,553,833,071.42/224,998.20
  6. Step 6: Final answer
    x = 180,240.70

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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.