Home / 240,209.18-360,357.65-80,269.96

Finding the Fourth Proportional to 240,209.18, 360,357.65 and 80,269.96

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Solution

The fourth proportional to 240,209.18, 360,357.65 and 80,269.96 is: 120,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,209.18 : 360,357.65 = 80,269.96 : x
  2. Step 2: Convert to fraction form
    240,209.18/360,357.65 = 80,269.96/x
  3. Step 3: Cross multiply
    240,209.18x = 360,357.65 × 80,269.96
  4. Step 4: Simplify right side
    240,209.18x = 28,925,891,948.06
  5. Step 5: Solve for x
    x = 28,925,891,948.06/240,209.18
  6. Step 6: Final answer
    x = 120,419.59

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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.