Home / 259,680.60-389,623.30-101,882.20

Finding the Fourth Proportional to 259,680.60, 389,623.30 and 101,882.20

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Solution

The fourth proportional to 259,680.60, 389,623.30 and 101,882.20 is: 152,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,680.60 : 389,623.30 = 101,882.20 : x
  2. Step 2: Convert to fraction form
    259,680.60/389,623.30 = 101,882.20/x
  3. Step 3: Cross multiply
    259,680.60x = 389,623.30 × 101,882.20
  4. Step 4: Simplify right side
    259,680.60x = 39,695,678,975.26
  5. Step 5: Solve for x
    x = 39,695,678,975.26/259,680.60
  6. Step 6: Final answer
    x = 152,863.48

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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.