Home / 260,703.52-391,203.20-140,758.85

Finding the Fourth Proportional to 260,703.52, 391,203.20 and 140,758.85

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Solution

The fourth proportional to 260,703.52, 391,203.20 and 140,758.85 is: 211,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,703.52 : 391,203.20 = 140,758.85 : x
  2. Step 2: Convert to fraction form
    260,703.52/391,203.20 = 140,758.85/x
  3. Step 3: Cross multiply
    260,703.52x = 391,203.20 × 140,758.85
  4. Step 4: Simplify right side
    260,703.52x = 55,065,313,878.23
  5. Step 5: Solve for x
    x = 55,065,313,878.23/260,703.52
  6. Step 6: Final answer
    x = 211,218.15

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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.