Home / 571,351.20-857,135.13-229,820.76

Finding the Fourth Proportional to 571,351.20, 857,135.13 and 229,820.76

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Solution

The fourth proportional to 571,351.20, 857,135.13 and 229,820.76 is: 344,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,351.20 : 857,135.13 = 229,820.76 : x
  2. Step 2: Convert to fraction form
    571,351.20/857,135.13 = 229,820.76/x
  3. Step 3: Cross multiply
    571,351.20x = 857,135.13 × 229,820.76
  4. Step 4: Simplify right side
    571,351.20x = 196,987,446,999.30
  5. Step 5: Solve for x
    x = 196,987,446,999.30/571,351.20
  6. Step 6: Final answer
    x = 344,774.71

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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.