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Finding the Fourth Proportional to 359,456.58, 495,961.62 and 219,719.73

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Solution

The fourth proportional to 359,456.58, 495,961.62 and 219,719.73 is: 303,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,456.58 : 495,961.62 = 219,719.73 : x
  2. Step 2: Convert to fraction form
    359,456.58/495,961.62 = 219,719.73/x
  3. Step 3: Cross multiply
    359,456.58x = 495,961.62 × 219,719.73
  4. Step 4: Simplify right side
    359,456.58x = 108,972,553,236.76
  5. Step 5: Solve for x
    x = 108,972,553,236.76/359,456.58
  6. Step 6: Final answer
    x = 303,159.16

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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.