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Finding the Fourth Proportional to 498,045.30, 747,067.95 and 124,068.30

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Solution

The fourth proportional to 498,045.30, 747,067.95 and 124,068.30 is: 186,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,045.30 : 747,067.95 = 124,068.30 : x
  2. Step 2: Convert to fraction form
    498,045.30/747,067.95 = 124,068.30/x
  3. Step 3: Cross multiply
    498,045.30x = 747,067.95 × 124,068.30
  4. Step 4: Simplify right side
    498,045.30x = 92,687,450,540.99
  5. Step 5: Solve for x
    x = 92,687,450,540.99/498,045.30
  6. Step 6: Final answer
    x = 186,102.45

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Similar ratio
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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.