Home / 260,452.72-390,690.96-82,943.04

Finding the Fourth Proportional to 260,452.72, 390,690.96 and 82,943.04

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Solution

The fourth proportional to 260,452.72, 390,690.96 and 82,943.04 is: 124,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,452.72 : 390,690.96 = 82,943.04 : x
  2. Step 2: Convert to fraction form
    260,452.72/390,690.96 = 82,943.04/x
  3. Step 3: Cross multiply
    260,452.72x = 390,690.96 × 82,943.04
  4. Step 4: Simplify right side
    260,452.72x = 32,405,095,922.92
  5. Step 5: Solve for x
    x = 32,405,095,922.92/260,452.72
  6. Step 6: Final answer
    x = 124,418.34

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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.