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Finding the Fourth Proportional to 260,022.70, 390,034.05 and 227,881.90

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Solution

The fourth proportional to 260,022.70, 390,034.05 and 227,881.90 is: 341,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,022.70 : 390,034.05 = 227,881.90 : x
  2. Step 2: Convert to fraction form
    260,022.70/390,034.05 = 227,881.90/x
  3. Step 3: Cross multiply
    260,022.70x = 390,034.05 × 227,881.90
  4. Step 4: Simplify right side
    260,022.70x = 88,881,700,378.70
  5. Step 5: Solve for x
    x = 88,881,700,378.70/260,022.70
  6. Step 6: Final answer
    x = 341,822.85

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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.