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Finding the Fourth Proportional to 425,927, 638,703.38 and 159,500.66

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Solution

The fourth proportional to 425,927, 638,703.38 and 159,500.66 is: 239,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,927 : 638,703.38 = 159,500.66 : x
  2. Step 2: Convert to fraction form
    425,927/638,703.38 = 159,500.66/x
  3. Step 3: Cross multiply
    425,927x = 638,703.38 × 159,500.66
  4. Step 4: Simplify right side
    425,927x = 101,873,610,654.23
  5. Step 5: Solve for x
    x = 101,873,610,654.23/425,927
  6. Step 6: Final answer
    x = 239,180.92

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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.