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Finding the Fourth Proportional to 178,367.10, 267,591.70 and 60,035.28

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Solution

The fourth proportional to 178,367.10, 267,591.70 and 60,035.28 is: 90,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,367.10 : 267,591.70 = 60,035.28 : x
  2. Step 2: Convert to fraction form
    178,367.10/267,591.70 = 60,035.28/x
  3. Step 3: Cross multiply
    178,367.10x = 267,591.70 × 60,035.28
  4. Step 4: Simplify right side
    178,367.10x = 16,064,942,635.18
  5. Step 5: Solve for x
    x = 16,064,942,635.18/178,367.10
  6. Step 6: Final answer
    x = 90,066.74

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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.