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Finding the Fourth Proportional to 475,067.01, 712,624.95 and 120,084.06

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Solution

The fourth proportional to 475,067.01, 712,624.95 and 120,084.06 is: 180,132.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,067.01 : 712,624.95 = 120,084.06 : x
  2. Step 2: Convert to fraction form
    475,067.01/712,624.95 = 120,084.06/x
  3. Step 3: Cross multiply
    475,067.01x = 712,624.95 × 120,084.06
  4. Step 4: Simplify right side
    475,067.01x = 85,574,897,253.30
  5. Step 5: Solve for x
    x = 85,574,897,253.30/475,067.01
  6. Step 6: Final answer
    x = 180,132.27

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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.