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Finding the Fourth Proportional to 539,487.27, 808,972.72 and 254,940.35

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Solution

The fourth proportional to 539,487.27, 808,972.72 and 254,940.35 is: 382,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,487.27 : 808,972.72 = 254,940.35 : x
  2. Step 2: Convert to fraction form
    539,487.27/808,972.72 = 254,940.35/x
  3. Step 3: Cross multiply
    539,487.27x = 808,972.72 × 254,940.35
  4. Step 4: Simplify right side
    539,487.27x = 206,239,783,695.04
  5. Step 5: Solve for x
    x = 206,239,783,695.04/539,487.27
  6. Step 6: Final answer
    x = 382,288.51

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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.