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Finding the Fourth Proportional to 185,551.90, 278,311.65 and 60,892.90

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Solution

The fourth proportional to 185,551.90, 278,311.65 and 60,892.90 is: 91,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,551.90 : 278,311.65 = 60,892.90 : x
  2. Step 2: Convert to fraction form
    185,551.90/278,311.65 = 60,892.90/x
  3. Step 3: Cross multiply
    185,551.90x = 278,311.65 × 60,892.90
  4. Step 4: Simplify right side
    185,551.90x = 16,947,203,472.29
  5. Step 5: Solve for x
    x = 16,947,203,472.29/185,551.90
  6. Step 6: Final answer
    x = 91,334.03

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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.