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Finding the Fourth Proportional to 425,844.96, 587,669.76 and 234,864.96

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Solution

The fourth proportional to 425,844.96, 587,669.76 and 234,864.96 is: 324,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,844.96 : 587,669.76 = 234,864.96 : x
  2. Step 2: Convert to fraction form
    425,844.96/587,669.76 = 234,864.96/x
  3. Step 3: Cross multiply
    425,844.96x = 587,669.76 × 234,864.96
  4. Step 4: Simplify right side
    425,844.96x = 138,023,034,675.61
  5. Step 5: Solve for x
    x = 138,023,034,675.61/425,844.96
  6. Step 6: Final answer
    x = 324,115.69

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1.5x scale

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.