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Finding the Fourth Proportional to 511,209.71, 766,812.23 and 132,098.22

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Solution

The fourth proportional to 511,209.71, 766,812.23 and 132,098.22 is: 198,146.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,209.71 : 766,812.23 = 132,098.22 : x
  2. Step 2: Convert to fraction form
    511,209.71/766,812.23 = 132,098.22/x
  3. Step 3: Cross multiply
    511,209.71x = 766,812.23 × 132,098.22
  4. Step 4: Simplify right side
    511,209.71x = 101,294,529,996.74
  5. Step 5: Solve for x
    x = 101,294,529,996.74/511,209.71
  6. Step 6: Final answer
    x = 198,146.73

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1.5x scale

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.