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Finding the Fourth Proportional to 360,073.28, 540,168.48 and 110,755.52

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Solution

The fourth proportional to 360,073.28, 540,168.48 and 110,755.52 is: 166,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,073.28 : 540,168.48 = 110,755.52 : x
  2. Step 2: Convert to fraction form
    360,073.28/540,168.48 = 110,755.52/x
  3. Step 3: Cross multiply
    360,073.28x = 540,168.48 × 110,755.52
  4. Step 4: Simplify right side
    360,073.28x = 59,826,640,890.01
  5. Step 5: Solve for x
    x = 59,826,640,890.01/360,073.28
  6. Step 6: Final answer
    x = 166,151.29

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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.