Home / 260,714.10-391,078.44-92,210.61

Finding the Fourth Proportional to 260,714.10, 391,078.44 and 92,210.61

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Solution

The fourth proportional to 260,714.10, 391,078.44 and 92,210.61 is: 138,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,714.10 : 391,078.44 = 92,210.61 : x
  2. Step 2: Convert to fraction form
    260,714.10/391,078.44 = 92,210.61/x
  3. Step 3: Cross multiply
    260,714.10x = 391,078.44 × 92,210.61
  4. Step 4: Simplify right side
    260,714.10x = 36,061,581,510.25
  5. Step 5: Solve for x
    x = 36,061,581,510.25/260,714.10
  6. Step 6: Final answer
    x = 138,318.49

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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.