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Finding the Fourth Proportional to 200,726.79, 301,027.41 and 72,626.91

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Solution

The fourth proportional to 200,726.79, 301,027.41 and 72,626.91 is: 108,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,726.79 : 301,027.41 = 72,626.91 : x
  2. Step 2: Convert to fraction form
    200,726.79/301,027.41 = 72,626.91/x
  3. Step 3: Cross multiply
    200,726.79x = 301,027.41 × 72,626.91
  4. Step 4: Simplify right side
    200,726.79x = 21,862,690,613.60
  5. Step 5: Solve for x
    x = 21,862,690,613.60/200,726.79
  6. Step 6: Final answer
    x = 108,917.65

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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.