Home / 303,821.91-455,788.22-104,162.49

Finding the Fourth Proportional to 303,821.91, 455,788.22 and 104,162.49

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Solution

The fourth proportional to 303,821.91, 455,788.22 and 104,162.49 is: 156,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,821.91 : 455,788.22 = 104,162.49 : x
  2. Step 2: Convert to fraction form
    303,821.91/455,788.22 = 104,162.49/x
  3. Step 3: Cross multiply
    303,821.91x = 455,788.22 × 104,162.49
  4. Step 4: Simplify right side
    303,821.91x = 47,476,035,387.06
  5. Step 5: Solve for x
    x = 47,476,035,387.06/303,821.91
  6. Step 6: Final answer
    x = 156,262.71

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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.