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Finding the Fourth Proportional to 267,778.60, 369,531.22 and 146,920.88

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Solution

The fourth proportional to 267,778.60, 369,531.22 and 146,920.88 is: 202,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,778.60 : 369,531.22 = 146,920.88 : x
  2. Step 2: Convert to fraction form
    267,778.60/369,531.22 = 146,920.88/x
  3. Step 3: Cross multiply
    267,778.60x = 369,531.22 × 146,920.88
  4. Step 4: Simplify right side
    267,778.60x = 54,291,852,029.87
  5. Step 5: Solve for x
    x = 54,291,852,029.87/267,778.60
  6. Step 6: Final answer
    x = 202,749.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.