Home / 266,490.10-367,757.30-145,633.24

Finding the Fourth Proportional to 266,490.10, 367,757.30 and 145,633.24

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Solution

The fourth proportional to 266,490.10, 367,757.30 and 145,633.24 is: 200,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,490.10 : 367,757.30 = 145,633.24 : x
  2. Step 2: Convert to fraction form
    266,490.10/367,757.30 = 145,633.24/x
  3. Step 3: Cross multiply
    266,490.10x = 367,757.30 × 145,633.24
  4. Step 4: Simplify right side
    266,490.10x = 53,557,684,565.70
  5. Step 5: Solve for x
    x = 53,557,684,565.70/266,490.10
  6. Step 6: Final answer
    x = 200,974.39

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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.