Home / 260,917.71-391,527.06-140,974.98

Finding the Fourth Proportional to 260,917.71, 391,527.06 and 140,974.98

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Solution

The fourth proportional to 260,917.71, 391,527.06 and 140,974.98 is: 211,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,917.71 : 391,527.06 = 140,974.98 : x
  2. Step 2: Convert to fraction form
    260,917.71/391,527.06 = 140,974.98/x
  3. Step 3: Cross multiply
    260,917.71x = 391,527.06 × 140,974.98
  4. Step 4: Simplify right side
    260,917.71x = 55,195,519,452.96
  5. Step 5: Solve for x
    x = 55,195,519,452.96/260,917.71
  6. Step 6: Final answer
    x = 211,543.78

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1.5x scale

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.