Home / 266,286.18-399,437.48-116,449.35

Finding the Fourth Proportional to 266,286.18, 399,437.48 and 116,449.35

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Solution

The fourth proportional to 266,286.18, 399,437.48 and 116,449.35 is: 174,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,286.18 : 399,437.48 = 116,449.35 : x
  2. Step 2: Convert to fraction form
    266,286.18/399,437.48 = 116,449.35/x
  3. Step 3: Cross multiply
    266,286.18x = 399,437.48 × 116,449.35
  4. Step 4: Simplify right side
    266,286.18x = 46,514,233,704.87
  5. Step 5: Solve for x
    x = 46,514,233,704.87/266,286.18
  6. Step 6: Final answer
    x = 174,677.61

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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.