Home / 398,092.27-596,606.39-145,135.15

Finding the Fourth Proportional to 398,092.27, 596,606.39 and 145,135.15

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Solution

The fourth proportional to 398,092.27, 596,606.39 and 145,135.15 is: 217,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,092.27 : 596,606.39 = 145,135.15 : x
  2. Step 2: Convert to fraction form
    398,092.27/596,606.39 = 145,135.15/x
  3. Step 3: Cross multiply
    398,092.27x = 596,606.39 × 145,135.15
  4. Step 4: Simplify right side
    398,092.27x = 86,588,557,903.61
  5. Step 5: Solve for x
    x = 86,588,557,903.61/398,092.27
  6. Step 6: Final answer
    x = 217,508.76

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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.