Home / 311,631.60-467,447.41-74,974.28

Finding the Fourth Proportional to 311,631.60, 467,447.41 and 74,974.28

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Solution

The fourth proportional to 311,631.60, 467,447.41 and 74,974.28 is: 112,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,631.60 : 467,447.41 = 74,974.28 : x
  2. Step 2: Convert to fraction form
    311,631.60/467,447.41 = 74,974.28/x
  3. Step 3: Cross multiply
    311,631.60x = 467,447.41 × 74,974.28
  4. Step 4: Simplify right side
    311,631.60x = 35,046,533,002.61
  5. Step 5: Solve for x
    x = 35,046,533,002.61/311,631.60
  6. Step 6: Final answer
    x = 112,461.42

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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.