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Finding the Fourth Proportional to 266,769.68, 368,127.72 and 147,530

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Solution

The fourth proportional to 266,769.68, 368,127.72 and 147,530 is: 203,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,769.68 : 368,127.72 = 147,530 : x
  2. Step 2: Convert to fraction form
    266,769.68/368,127.72 = 147,530/x
  3. Step 3: Cross multiply
    266,769.68x = 368,127.72 × 147,530
  4. Step 4: Simplify right side
    266,769.68x = 54,309,882,531.60
  5. Step 5: Solve for x
    x = 54,309,882,531.60/266,769.68
  6. Step 6: Final answer
    x = 203,583.42

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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.