Home / 436,262.73-654,402.38-136,736.70

Finding the Fourth Proportional to 436,262.73, 654,402.38 and 136,736.70

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Solution

The fourth proportional to 436,262.73, 654,402.38 and 136,736.70 is: 205,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,262.73 : 654,402.38 = 136,736.70 : x
  2. Step 2: Convert to fraction form
    436,262.73/654,402.38 = 136,736.70/x
  3. Step 3: Cross multiply
    436,262.73x = 654,402.38 × 136,736.70
  4. Step 4: Simplify right side
    436,262.73x = 89,480,821,229.66
  5. Step 5: Solve for x
    x = 89,480,821,229.66/436,262.73
  6. Step 6: Final answer
    x = 205,107.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.