Home / 359,279.82-495,789.48-206,210.28

Finding the Fourth Proportional to 359,279.82, 495,789.48 and 206,210.28

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Solution

The fourth proportional to 359,279.82, 495,789.48 and 206,210.28 is: 284,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,279.82 : 495,789.48 = 206,210.28 : x
  2. Step 2: Convert to fraction form
    359,279.82/495,789.48 = 206,210.28/x
  3. Step 3: Cross multiply
    359,279.82x = 495,789.48 × 206,210.28
  4. Step 4: Simplify right side
    359,279.82x = 102,236,887,491.85
  5. Step 5: Solve for x
    x = 102,236,887,491.85/359,279.82
  6. Step 6: Final answer
    x = 284,560.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.