Home / 425,127.27-586,663.65-231,530.61

Finding the Fourth Proportional to 425,127.27, 586,663.65 and 231,530.61

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Solution

The fourth proportional to 425,127.27, 586,663.65 and 231,530.61 is: 319,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,127.27 : 586,663.65 = 231,530.61 : x
  2. Step 2: Convert to fraction form
    425,127.27/586,663.65 = 231,530.61/x
  3. Step 3: Cross multiply
    425,127.27x = 586,663.65 × 231,530.61
  4. Step 4: Simplify right side
    425,127.27x = 135,830,592,749.33
  5. Step 5: Solve for x
    x = 135,830,592,749.33/425,127.27
  6. Step 6: Final answer
    x = 319,505.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.