Home / 284,814.60-393,046.68-157,498.80

Finding the Fourth Proportional to 284,814.60, 393,046.68 and 157,498.80

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Solution

The fourth proportional to 284,814.60, 393,046.68 and 157,498.80 is: 217,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,814.60 : 393,046.68 = 157,498.80 : x
  2. Step 2: Convert to fraction form
    284,814.60/393,046.68 = 157,498.80/x
  3. Step 3: Cross multiply
    284,814.60x = 393,046.68 × 157,498.80
  4. Step 4: Simplify right side
    284,814.60x = 61,904,380,443.98
  5. Step 5: Solve for x
    x = 61,904,380,443.98/284,814.60
  6. Step 6: Final answer
    x = 217,349.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.