Home / 561,834.72-842,776.68-162,515.85

Finding the Fourth Proportional to 561,834.72, 842,776.68 and 162,515.85

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Solution

The fourth proportional to 561,834.72, 842,776.68 and 162,515.85 is: 243,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,834.72 : 842,776.68 = 162,515.85 : x
  2. Step 2: Convert to fraction form
    561,834.72/842,776.68 = 162,515.85/x
  3. Step 3: Cross multiply
    561,834.72x = 842,776.68 × 162,515.85
  4. Step 4: Simplify right side
    561,834.72x = 136,964,568,510.38
  5. Step 5: Solve for x
    x = 136,964,568,510.38/561,834.72
  6. Step 6: Final answer
    x = 243,780.89

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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.