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Finding the Fourth Proportional to 510,299.30, 765,621.02 and 225,951.02

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Solution

The fourth proportional to 510,299.30, 765,621.02 and 225,951.02 is: 339,002.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,299.30 : 765,621.02 = 225,951.02 : x
  2. Step 2: Convert to fraction form
    510,299.30/765,621.02 = 225,951.02/x
  3. Step 3: Cross multiply
    510,299.30x = 765,621.02 × 225,951.02
  4. Step 4: Simplify right side
    510,299.30x = 172,992,849,272.69
  5. Step 5: Solve for x
    x = 172,992,849,272.69/510,299.30
  6. Step 6: Final answer
    x = 339,002.72

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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.