Home / 461,213.60-690,569.76-239,131.04

Finding the Fourth Proportional to 461,213.60, 690,569.76 and 239,131.04

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Solution

The fourth proportional to 461,213.60, 690,569.76 and 239,131.04 is: 358,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,213.60 : 690,569.76 = 239,131.04 : x
  2. Step 2: Convert to fraction form
    461,213.60/690,569.76 = 239,131.04/x
  3. Step 3: Cross multiply
    461,213.60x = 690,569.76 × 239,131.04
  4. Step 4: Simplify right side
    461,213.60x = 165,136,664,901.35
  5. Step 5: Solve for x
    x = 165,136,664,901.35/461,213.60
  6. Step 6: Final answer
    x = 358,048.13

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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.