Home / 260,350.85-390,449.72-110,589.95

Finding the Fourth Proportional to 260,350.85, 390,449.72 and 110,589.95

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Solution

The fourth proportional to 260,350.85, 390,449.72 and 110,589.95 is: 165,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,350.85 : 390,449.72 = 110,589.95 : x
  2. Step 2: Convert to fraction form
    260,350.85/390,449.72 = 110,589.95/x
  3. Step 3: Cross multiply
    260,350.85x = 390,449.72 × 110,589.95
  4. Step 4: Simplify right side
    260,350.85x = 43,179,812,507.12
  5. Step 5: Solve for x
    x = 43,179,812,507.12/260,350.85
  6. Step 6: Final answer
    x = 165,852.40

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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.