Home / 260,803.62-391,201.22-83,309.46

Finding the Fourth Proportional to 260,803.62, 391,201.22 and 83,309.46

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Solution

The fourth proportional to 260,803.62, 391,201.22 and 83,309.46 is: 124,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,803.62 : 391,201.22 = 83,309.46 : x
  2. Step 2: Convert to fraction form
    260,803.62/391,201.22 = 83,309.46/x
  3. Step 3: Cross multiply
    260,803.62x = 391,201.22 × 83,309.46
  4. Step 4: Simplify right side
    260,803.62x = 32,590,762,389.54
  5. Step 5: Solve for x
    x = 32,590,762,389.54/260,803.62
  6. Step 6: Final answer
    x = 124,962.85

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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.