Home / 260,758.20-391,137.30-226,543.80

Finding the Fourth Proportional to 260,758.20, 391,137.30 and 226,543.80

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Solution

The fourth proportional to 260,758.20, 391,137.30 and 226,543.80 is: 339,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,758.20 : 391,137.30 = 226,543.80 : x
  2. Step 2: Convert to fraction form
    260,758.20/391,137.30 = 226,543.80/x
  3. Step 3: Cross multiply
    260,758.20x = 391,137.30 × 226,543.80
  4. Step 4: Simplify right side
    260,758.20x = 88,609,730,263.74
  5. Step 5: Solve for x
    x = 88,609,730,263.74/260,758.20
  6. Step 6: Final answer
    x = 339,815.70

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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.