Home / 260,864.10-391,031.37-148,311.66

Finding the Fourth Proportional to 260,864.10, 391,031.37 and 148,311.66

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Solution

The fourth proportional to 260,864.10, 391,031.37 and 148,311.66 is: 222,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,864.10 : 391,031.37 = 148,311.66 : x
  2. Step 2: Convert to fraction form
    260,864.10/391,031.37 = 148,311.66/x
  3. Step 3: Cross multiply
    260,864.10x = 391,031.37 × 148,311.66
  4. Step 4: Simplify right side
    260,864.10x = 57,994,511,596.77
  5. Step 5: Solve for x
    x = 57,994,511,596.77/260,864.10
  6. Step 6: Final answer
    x = 222,316.95

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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.