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Finding the Fourth Proportional to 342,489.28, 511,633.80 and 246,903.71

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Solution

The fourth proportional to 342,489.28, 511,633.80 and 246,903.71 is: 368,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,489.28 : 511,633.80 = 246,903.71 : x
  2. Step 2: Convert to fraction form
    342,489.28/511,633.80 = 246,903.71/x
  3. Step 3: Cross multiply
    342,489.28x = 511,633.80 × 246,903.71
  4. Step 4: Simplify right side
    342,489.28x = 126,324,282,764.14
  5. Step 5: Solve for x
    x = 126,324,282,764.14/342,489.28
  6. Step 6: Final answer
    x = 368,841.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.