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Finding the Fourth Proportional to 266,524.32, 399,855.74 and 79,535.82

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Solution

The fourth proportional to 266,524.32, 399,855.74 and 79,535.82 is: 119,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,524.32 : 399,855.74 = 79,535.82 : x
  2. Step 2: Convert to fraction form
    266,524.32/399,855.74 = 79,535.82/x
  3. Step 3: Cross multiply
    266,524.32x = 399,855.74 × 79,535.82
  4. Step 4: Simplify right side
    266,524.32x = 31,802,853,764.93
  5. Step 5: Solve for x
    x = 31,802,853,764.93/266,524.32
  6. Step 6: Final answer
    x = 119,324.40

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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.