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Finding the Fourth Proportional to 266,476.68, 367,758.78 and 151,760.17

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Solution

The fourth proportional to 266,476.68, 367,758.78 and 151,760.17 is: 209,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,476.68 : 367,758.78 = 151,760.17 : x
  2. Step 2: Convert to fraction form
    266,476.68/367,758.78 = 151,760.17/x
  3. Step 3: Cross multiply
    266,476.68x = 367,758.78 × 151,760.17
  4. Step 4: Simplify right side
    266,476.68x = 55,811,134,971.79
  5. Step 5: Solve for x
    x = 55,811,134,971.79/266,476.68
  6. Step 6: Final answer
    x = 209,440.97

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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.