Home / 347,785.82-479,962.41-194,815.07

Finding the Fourth Proportional to 347,785.82, 479,962.41 and 194,815.07

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Solution

The fourth proportional to 347,785.82, 479,962.41 and 194,815.07 is: 268,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,785.82 : 479,962.41 = 194,815.07 : x
  2. Step 2: Convert to fraction form
    347,785.82/479,962.41 = 194,815.07/x
  3. Step 3: Cross multiply
    347,785.82x = 479,962.41 × 194,815.07
  4. Step 4: Simplify right side
    347,785.82x = 93,503,910,501.52
  5. Step 5: Solve for x
    x = 93,503,910,501.52/347,785.82
  6. Step 6: Final answer
    x = 268,854.87

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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.