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Finding the Fourth Proportional to 484,747.42, 727,453.29 and 169,204.30

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Solution

The fourth proportional to 484,747.42, 727,453.29 and 169,204.30 is: 253,922.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,747.42 : 727,453.29 = 169,204.30 : x
  2. Step 2: Convert to fraction form
    484,747.42/727,453.29 = 169,204.30/x
  3. Step 3: Cross multiply
    484,747.42x = 727,453.29 × 169,204.30
  4. Step 4: Simplify right side
    484,747.42x = 123,088,224,717.15
  5. Step 5: Solve for x
    x = 123,088,224,717.15/484,747.42
  6. Step 6: Final answer
    x = 253,922.39

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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.