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Finding the Fourth Proportional to 266,271.92, 367,502.72 and 157,371.84

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Solution

The fourth proportional to 266,271.92, 367,502.72 and 157,371.84 is: 217,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,271.92 : 367,502.72 = 157,371.84 : x
  2. Step 2: Convert to fraction form
    266,271.92/367,502.72 = 157,371.84/x
  3. Step 3: Cross multiply
    266,271.92x = 367,502.72 × 157,371.84
  4. Step 4: Simplify right side
    266,271.92x = 57,834,579,251.40
  5. Step 5: Solve for x
    x = 57,834,579,251.40/266,271.92
  6. Step 6: Final answer
    x = 217,201.20

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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.