Home / 220,041.64-329,860.38-79,766.44

Finding the Fourth Proportional to 220,041.64, 329,860.38 and 79,766.44

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Solution

The fourth proportional to 220,041.64, 329,860.38 and 79,766.44 is: 119,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,041.64 : 329,860.38 = 79,766.44 : x
  2. Step 2: Convert to fraction form
    220,041.64/329,860.38 = 79,766.44/x
  3. Step 3: Cross multiply
    220,041.64x = 329,860.38 × 79,766.44
  4. Step 4: Simplify right side
    220,041.64x = 26,311,788,209.65
  5. Step 5: Solve for x
    x = 26,311,788,209.65/220,041.64
  6. Step 6: Final answer
    x = 119,576.40

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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.