Home / 260,159.12-390,229.68-110,303.04

Finding the Fourth Proportional to 260,159.12, 390,229.68 and 110,303.04

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Solution

The fourth proportional to 260,159.12, 390,229.68 and 110,303.04 is: 165,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,159.12 : 390,229.68 = 110,303.04 : x
  2. Step 2: Convert to fraction form
    260,159.12/390,229.68 = 110,303.04/x
  3. Step 3: Cross multiply
    260,159.12x = 390,229.68 × 110,303.04
  4. Step 4: Simplify right side
    260,159.12x = 43,043,520,002.23
  5. Step 5: Solve for x
    x = 43,043,520,002.23/260,159.12
  6. Step 6: Final answer
    x = 165,450.74

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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.