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Finding the Fourth Proportional to 484,755.52, 727,465.46 and 169,212.48

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Solution

The fourth proportional to 484,755.52, 727,465.46 and 169,212.48 is: 253,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,755.52 : 727,465.46 = 169,212.48 : x
  2. Step 2: Convert to fraction form
    484,755.52/727,465.46 = 169,212.48/x
  3. Step 3: Cross multiply
    484,755.52x = 727,465.46 × 169,212.48
  4. Step 4: Simplify right side
    484,755.52x = 123,096,234,600.94
  5. Step 5: Solve for x
    x = 123,096,234,600.94/484,755.52
  6. Step 6: Final answer
    x = 253,934.67

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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.