Home / 510,381.08-765,098.38-225,919.97

Finding the Fourth Proportional to 510,381.08, 765,098.38 and 225,919.97

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Solution

The fourth proportional to 510,381.08, 765,098.38 and 225,919.97 is: 338,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,381.08 : 765,098.38 = 225,919.97 : x
  2. Step 2: Convert to fraction form
    510,381.08/765,098.38 = 225,919.97/x
  3. Step 3: Cross multiply
    510,381.08x = 765,098.38 × 225,919.97
  4. Step 4: Simplify right side
    510,381.08x = 172,850,998,101.56
  5. Step 5: Solve for x
    x = 172,850,998,101.56/510,381.08
  6. Step 6: Final answer
    x = 338,670.47

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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.