Home / 217,351.67-326,023.61-89,240.14

Finding the Fourth Proportional to 217,351.67, 326,023.61 and 89,240.14

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Solution

The fourth proportional to 217,351.67, 326,023.61 and 89,240.14 is: 133,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,351.67 : 326,023.61 = 89,240.14 : x
  2. Step 2: Convert to fraction form
    217,351.67/326,023.61 = 89,240.14/x
  3. Step 3: Cross multiply
    217,351.67x = 326,023.61 × 89,240.14
  4. Step 4: Simplify right side
    217,351.67x = 29,094,391,081.14
  5. Step 5: Solve for x
    x = 29,094,391,081.14/217,351.67
  6. Step 6: Final answer
    x = 133,858.60

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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.