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Finding the Fourth Proportional to 352,247.20, 527,449.20 and 335,658.40

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Solution

The fourth proportional to 352,247.20, 527,449.20 and 335,658.40 is: 502,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,247.20 : 527,449.20 = 335,658.40 : x
  2. Step 2: Convert to fraction form
    352,247.20/527,449.20 = 335,658.40/x
  3. Step 3: Cross multiply
    352,247.20x = 527,449.20 × 335,658.40
  4. Step 4: Simplify right side
    352,247.20x = 177,042,754,553.28
  5. Step 5: Solve for x
    x = 177,042,754,553.28/352,247.20
  6. Step 6: Final answer
    x = 502,609.40

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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.