Home / 217,044.39-326,065.59-153,149.61

Finding the Fourth Proportional to 217,044.39, 326,065.59 and 153,149.61

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Solution

The fourth proportional to 217,044.39, 326,065.59 and 153,149.61 is: 230,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,044.39 : 326,065.59 = 153,149.61 : x
  2. Step 2: Convert to fraction form
    217,044.39/326,065.59 = 153,149.61/x
  3. Step 3: Cross multiply
    217,044.39x = 326,065.59 × 153,149.61
  4. Step 4: Simplify right side
    217,044.39x = 49,936,817,942.92
  5. Step 5: Solve for x
    x = 49,936,817,942.92/217,044.39
  6. Step 6: Final answer
    x = 230,076.52

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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.