Home / 340,318.38-510,458.94-103,641.24

Finding the Fourth Proportional to 340,318.38, 510,458.94 and 103,641.24

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Solution

The fourth proportional to 340,318.38, 510,458.94 and 103,641.24 is: 155,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,318.38 : 510,458.94 = 103,641.24 : x
  2. Step 2: Convert to fraction form
    340,318.38/510,458.94 = 103,641.24/x
  3. Step 3: Cross multiply
    340,318.38x = 510,458.94 × 103,641.24
  4. Step 4: Simplify right side
    340,318.38x = 52,904,597,510.69
  5. Step 5: Solve for x
    x = 52,904,597,510.69/340,318.38
  6. Step 6: Final answer
    x = 155,456.19

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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.