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Finding the Fourth Proportional to 434,843.60, 652,195.48 and 119,227.28

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Solution

The fourth proportional to 434,843.60, 652,195.48 and 119,227.28 is: 178,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,843.60 : 652,195.48 = 119,227.28 : x
  2. Step 2: Convert to fraction form
    434,843.60/652,195.48 = 119,227.28/x
  3. Step 3: Cross multiply
    434,843.60x = 652,195.48 × 119,227.28
  4. Step 4: Simplify right side
    434,843.60x = 77,759,493,108.69
  5. Step 5: Solve for x
    x = 77,759,493,108.69/434,843.60
  6. Step 6: Final answer
    x = 178,821.75

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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.