Home / 260,976.18-391,464.30-63,984.18

Finding the Fourth Proportional to 260,976.18, 391,464.30 and 63,984.18

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Solution

The fourth proportional to 260,976.18, 391,464.30 and 63,984.18 is: 95,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,976.18 : 391,464.30 = 63,984.18 : x
  2. Step 2: Convert to fraction form
    260,976.18/391,464.30 = 63,984.18/x
  3. Step 3: Cross multiply
    260,976.18x = 391,464.30 × 63,984.18
  4. Step 4: Simplify right side
    260,976.18x = 25,047,522,234.77
  5. Step 5: Solve for x
    x = 25,047,522,234.77/260,976.18
  6. Step 6: Final answer
    x = 95,976.28

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1.5x scale

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.