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Finding the Fourth Proportional to 508,118.36, 762,177.84 and 129,067.52

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Solution

The fourth proportional to 508,118.36, 762,177.84 and 129,067.52 is: 193,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,118.36 : 762,177.84 = 129,067.52 : x
  2. Step 2: Convert to fraction form
    508,118.36/762,177.84 = 129,067.52/x
  3. Step 3: Cross multiply
    508,118.36x = 762,177.84 × 129,067.52
  4. Step 4: Simplify right side
    508,118.36x = 98,372,403,607.76
  5. Step 5: Solve for x
    x = 98,372,403,607.76/508,118.36
  6. Step 6: Final answer
    x = 193,601.36

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1.5x scale

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.