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Finding the Fourth Proportional to 149,402.70, 224,103.11 and 60,655.32

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Solution

The fourth proportional to 149,402.70, 224,103.11 and 60,655.32 is: 90,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,402.70 : 224,103.11 = 60,655.32 : x
  2. Step 2: Convert to fraction form
    149,402.70/224,103.11 = 60,655.32/x
  3. Step 3: Cross multiply
    149,402.70x = 224,103.11 × 60,655.32
  4. Step 4: Simplify right side
    149,402.70x = 13,593,045,546.77
  5. Step 5: Solve for x
    x = 13,593,045,546.77/149,402.70
  6. Step 6: Final answer
    x = 90,982.60

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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.