Home / 260,698.26-391,195.31-140,753.60

Finding the Fourth Proportional to 260,698.26, 391,195.31 and 140,753.60

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Solution

The fourth proportional to 260,698.26, 391,195.31 and 140,753.60 is: 211,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,698.26 : 391,195.31 = 140,753.60 : x
  2. Step 2: Convert to fraction form
    260,698.26/391,195.31 = 140,753.60/x
  3. Step 3: Cross multiply
    260,698.26x = 391,195.31 × 140,753.60
  4. Step 4: Simplify right side
    260,698.26x = 55,062,148,459.84
  5. Step 5: Solve for x
    x = 55,062,148,459.84/260,698.26
  6. Step 6: Final answer
    x = 211,210.26

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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.