Home / 347,141.24-521,007.72-136,926.80

Finding the Fourth Proportional to 347,141.24, 521,007.72 and 136,926.80

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Solution

The fourth proportional to 347,141.24, 521,007.72 and 136,926.80 is: 205,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,141.24 : 521,007.72 = 136,926.80 : x
  2. Step 2: Convert to fraction form
    347,141.24/521,007.72 = 136,926.80/x
  3. Step 3: Cross multiply
    347,141.24x = 521,007.72 × 136,926.80
  4. Step 4: Simplify right side
    347,141.24x = 71,339,919,874.90
  5. Step 5: Solve for x
    x = 71,339,919,874.90/347,141.24
  6. Step 6: Final answer
    x = 205,506.90

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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.