Home / 217,819.60-326,729.40-164,597.20

Finding the Fourth Proportional to 217,819.60, 326,729.40 and 164,597.20

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Solution

The fourth proportional to 217,819.60, 326,729.40 and 164,597.20 is: 246,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,819.60 : 326,729.40 = 164,597.20 : x
  2. Step 2: Convert to fraction form
    217,819.60/326,729.40 = 164,597.20/x
  3. Step 3: Cross multiply
    217,819.60x = 326,729.40 × 164,597.20
  4. Step 4: Simplify right side
    217,819.60x = 53,778,744,397.68
  5. Step 5: Solve for x
    x = 53,778,744,397.68/217,819.60
  6. Step 6: Final answer
    x = 246,895.80

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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.