Home / 340,136.32-510,278.19-103,472.77

Finding the Fourth Proportional to 340,136.32, 510,278.19 and 103,472.77

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Solution

The fourth proportional to 340,136.32, 510,278.19 and 103,472.77 is: 155,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,136.32 : 510,278.19 = 103,472.77 : x
  2. Step 2: Convert to fraction form
    340,136.32/510,278.19 = 103,472.77/x
  3. Step 3: Cross multiply
    340,136.32x = 510,278.19 × 103,472.77
  4. Step 4: Simplify right side
    340,136.32x = 52,799,897,789.89
  5. Step 5: Solve for x
    x = 52,799,897,789.89/340,136.32
  6. Step 6: Final answer
    x = 155,231.58

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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.