Home / 217,478.03-326,212.92-89,367.08

Finding the Fourth Proportional to 217,478.03, 326,212.92 and 89,367.08

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Solution

The fourth proportional to 217,478.03, 326,212.92 and 89,367.08 is: 134,048.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,478.03 : 326,212.92 = 89,367.08 : x
  2. Step 2: Convert to fraction form
    217,478.03/326,212.92 = 89,367.08/x
  3. Step 3: Cross multiply
    217,478.03x = 326,212.92 × 89,367.08
  4. Step 4: Simplify right side
    217,478.03x = 29,152,694,487.61
  5. Step 5: Solve for x
    x = 29,152,694,487.61/217,478.03
  6. Step 6: Final answer
    x = 134,048.92

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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.