Home / 215,841.40-298,257.18-205,470.88

Finding the Fourth Proportional to 215,841.40, 298,257.18 and 205,470.88

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Solution

The fourth proportional to 215,841.40, 298,257.18 and 205,470.88 is: 283,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,841.40 : 298,257.18 = 205,470.88 : x
  2. Step 2: Convert to fraction form
    215,841.40/298,257.18 = 205,470.88/x
  3. Step 3: Cross multiply
    215,841.40x = 298,257.18 × 205,470.88
  4. Step 4: Simplify right side
    215,841.40x = 61,283,165,240.92
  5. Step 5: Solve for x
    x = 61,283,165,240.92/215,841.40
  6. Step 6: Final answer
    x = 283,926.83

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1.5x scale

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.