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Finding the Fourth Proportional to 285,948.60, 394,627.78 and 165,094.98

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Solution

The fourth proportional to 285,948.60, 394,627.78 and 165,094.98 is: 227,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,948.60 : 394,627.78 = 165,094.98 : x
  2. Step 2: Convert to fraction form
    285,948.60/394,627.78 = 165,094.98/x
  3. Step 3: Cross multiply
    285,948.60x = 394,627.78 × 165,094.98
  4. Step 4: Simplify right side
    285,948.60x = 65,151,065,446.54
  5. Step 5: Solve for x
    x = 65,151,065,446.54/285,948.60
  6. Step 6: Final answer
    x = 227,841.88

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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.