Home / 248,422.80-372,634.20-219,882.45

Finding the Fourth Proportional to 248,422.80, 372,634.20 and 219,882.45

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Solution

The fourth proportional to 248,422.80, 372,634.20 and 219,882.45 is: 329,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,422.80 : 372,634.20 = 219,882.45 : x
  2. Step 2: Convert to fraction form
    248,422.80/372,634.20 = 219,882.45/x
  3. Step 3: Cross multiply
    248,422.80x = 372,634.20 × 219,882.45
  4. Step 4: Simplify right side
    248,422.80x = 81,935,720,849.79
  5. Step 5: Solve for x
    x = 81,935,720,849.79/248,422.80
  6. Step 6: Final answer
    x = 329,823.68

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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.