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Finding the Fourth Proportional to 548,377.52, 822,260.62 and 169,190.60

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Solution

The fourth proportional to 548,377.52, 822,260.62 and 169,190.60 is: 253,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,377.52 : 822,260.62 = 169,190.60 : x
  2. Step 2: Convert to fraction form
    548,377.52/822,260.62 = 169,190.60/x
  3. Step 3: Cross multiply
    548,377.52x = 822,260.62 × 169,190.60
  4. Step 4: Simplify right side
    548,377.52x = 139,118,767,654.17
  5. Step 5: Solve for x
    x = 139,118,767,654.17/548,377.52
  6. Step 6: Final answer
    x = 253,691.59

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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.