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Finding the Fourth Proportional to 284,592.08, 426,934.20 and 87,554

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Solution

The fourth proportional to 284,592.08, 426,934.20 and 87,554 is: 131,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,592.08 : 426,934.20 = 87,554 : x
  2. Step 2: Convert to fraction form
    284,592.08/426,934.20 = 87,554/x
  3. Step 3: Cross multiply
    284,592.08x = 426,934.20 × 87,554
  4. Step 4: Simplify right side
    284,592.08x = 37,379,796,946.80
  5. Step 5: Solve for x
    x = 37,379,796,946.80/284,592.08
  6. Step 6: Final answer
    x = 131,345.18

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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.