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Finding the Fourth Proportional to 359,606.88, 496,240.68 and 206,537.40

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Solution

The fourth proportional to 359,606.88, 496,240.68 and 206,537.40 is: 285,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,606.88 : 496,240.68 = 206,537.40 : x
  2. Step 2: Convert to fraction form
    359,606.88/496,240.68 = 206,537.40/x
  3. Step 3: Cross multiply
    359,606.88x = 496,240.68 × 206,537.40
  4. Step 4: Simplify right side
    359,606.88x = 102,492,259,821.43
  5. Step 5: Solve for x
    x = 102,492,259,821.43/359,606.88
  6. Step 6: Final answer
    x = 285,011.95

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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.