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Finding the Fourth Proportional to 359,771, 496,542.30 and 208,955.48

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Solution

The fourth proportional to 359,771, 496,542.30 and 208,955.48 is: 288,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,771 : 496,542.30 = 208,955.48 : x
  2. Step 2: Convert to fraction form
    359,771/496,542.30 = 208,955.48/x
  3. Step 3: Cross multiply
    359,771x = 496,542.30 × 208,955.48
  4. Step 4: Simplify right side
    359,771x = 103,755,234,636.80
  5. Step 5: Solve for x
    x = 103,755,234,636.80/359,771
  6. Step 6: Final answer
    x = 288,392.43

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