Home / 513,042-769,665.06-158,040.87

Finding the Fourth Proportional to 513,042, 769,665.06 and 158,040.87

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Solution

The fourth proportional to 513,042, 769,665.06 and 158,040.87 is: 237,092.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,042 : 769,665.06 = 158,040.87 : x
  2. Step 2: Convert to fraction form
    513,042/769,665.06 = 158,040.87/x
  3. Step 3: Cross multiply
    513,042x = 769,665.06 × 158,040.87
  4. Step 4: Simplify right side
    513,042x = 121,638,535,691.00
  5. Step 5: Solve for x
    x = 121,638,535,691.00/513,042
  6. Step 6: Final answer
    x = 237,092.74

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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.