Home / 324,821.13-487,110.38-111,528.51

Finding the Fourth Proportional to 324,821.13, 487,110.38 and 111,528.51

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Solution

The fourth proportional to 324,821.13, 487,110.38 and 111,528.51 is: 167,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,821.13 : 487,110.38 = 111,528.51 : x
  2. Step 2: Convert to fraction form
    324,821.13/487,110.38 = 111,528.51/x
  3. Step 3: Cross multiply
    324,821.13x = 487,110.38 × 111,528.51
  4. Step 4: Simplify right side
    324,821.13x = 54,326,694,329.29
  5. Step 5: Solve for x
    x = 54,326,694,329.29/324,821.13
  6. Step 6: Final answer
    x = 167,251.11

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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.