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Finding the Fourth Proportional to 359,336.82, 495,907.47 and 206,422.86

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Solution

The fourth proportional to 359,336.82, 495,907.47 and 206,422.86 is: 284,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,336.82 : 495,907.47 = 206,422.86 : x
  2. Step 2: Convert to fraction form
    359,336.82/495,907.47 = 206,422.86/x
  3. Step 3: Cross multiply
    359,336.82x = 495,907.47 × 206,422.86
  4. Step 4: Simplify right side
    359,336.82x = 102,366,638,252.76
  5. Step 5: Solve for x
    x = 102,366,638,252.76/359,336.82
  6. Step 6: Final answer
    x = 284,876.56

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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.