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Finding the Fourth Proportional to 272,306.70, 408,114.45 and 242,585.10

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Solution

The fourth proportional to 272,306.70, 408,114.45 and 242,585.10 is: 363,569.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,306.70 : 408,114.45 = 242,585.10 : x
  2. Step 2: Convert to fraction form
    272,306.70/408,114.45 = 242,585.10/x
  3. Step 3: Cross multiply
    272,306.70x = 408,114.45 × 242,585.10
  4. Step 4: Simplify right side
    272,306.70x = 99,002,484,664.70
  5. Step 5: Solve for x
    x = 99,002,484,664.70/272,306.70
  6. Step 6: Final answer
    x = 363,569.77

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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.