Home / 486,920.45-730,353.33-131,908.38

Finding the Fourth Proportional to 486,920.45, 730,353.33 and 131,908.38

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Solution

The fourth proportional to 486,920.45, 730,353.33 and 131,908.38 is: 197,855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,920.45 : 730,353.33 = 131,908.38 : x
  2. Step 2: Convert to fraction form
    486,920.45/730,353.33 = 131,908.38/x
  3. Step 3: Cross multiply
    486,920.45x = 730,353.33 × 131,908.38
  4. Step 4: Simplify right side
    486,920.45x = 96,339,724,587.91
  5. Step 5: Solve for x
    x = 96,339,724,587.91/486,920.45
  6. Step 6: Final answer
    x = 197,855.16

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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.