Home / 260,930.37-391,272.19-101,081.18

Finding the Fourth Proportional to 260,930.37, 391,272.19 and 101,081.18

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Solution

The fourth proportional to 260,930.37, 391,272.19 and 101,081.18 is: 151,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,930.37 : 391,272.19 = 101,081.18 : x
  2. Step 2: Convert to fraction form
    260,930.37/391,272.19 = 101,081.18/x
  3. Step 3: Cross multiply
    260,930.37x = 391,272.19 × 101,081.18
  4. Step 4: Simplify right side
    260,930.37x = 39,550,254,666.38
  5. Step 5: Solve for x
    x = 39,550,254,666.38/260,930.37
  6. Step 6: Final answer
    x = 151,573.98

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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.