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Finding the Fourth Proportional to 451,384.92, 676,902.42 and 240,908.04

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Solution

The fourth proportional to 451,384.92, 676,902.42 and 240,908.04 is: 361,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,384.92 : 676,902.42 = 240,908.04 : x
  2. Step 2: Convert to fraction form
    451,384.92/676,902.42 = 240,908.04/x
  3. Step 3: Cross multiply
    451,384.92x = 676,902.42 × 240,908.04
  4. Step 4: Simplify right side
    451,384.92x = 163,071,235,273.46
  5. Step 5: Solve for x
    x = 163,071,235,273.46/451,384.92
  6. Step 6: Final answer
    x = 361,268.68

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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.