Home / 347,676.30-521,514.45-137,205.90

Finding the Fourth Proportional to 347,676.30, 521,514.45 and 137,205.90

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Solution

The fourth proportional to 347,676.30, 521,514.45 and 137,205.90 is: 205,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,676.30 : 521,514.45 = 137,205.90 : x
  2. Step 2: Convert to fraction form
    347,676.30/521,514.45 = 137,205.90/x
  3. Step 3: Cross multiply
    347,676.30x = 521,514.45 × 137,205.90
  4. Step 4: Simplify right side
    347,676.30x = 71,554,859,475.26
  5. Step 5: Solve for x
    x = 71,554,859,475.26/347,676.30
  6. Step 6: Final answer
    x = 205,808.85

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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.