Home / 217,284.52-326,071.38-89,305.76

Finding the Fourth Proportional to 217,284.52, 326,071.38 and 89,305.76

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Solution

The fourth proportional to 217,284.52, 326,071.38 and 89,305.76 is: 134,018.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,284.52 : 326,071.38 = 89,305.76 : x
  2. Step 2: Convert to fraction form
    217,284.52/326,071.38 = 89,305.76/x
  3. Step 3: Cross multiply
    217,284.52x = 326,071.38 × 89,305.76
  4. Step 4: Simplify right side
    217,284.52x = 29,120,052,405.15
  5. Step 5: Solve for x
    x = 29,120,052,405.15/217,284.52
  6. Step 6: Final answer
    x = 134,018.07

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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.