Home / 217,829.60-326,744.40-164,607.20

Finding the Fourth Proportional to 217,829.60, 326,744.40 and 164,607.20

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Solution

The fourth proportional to 217,829.60, 326,744.40 and 164,607.20 is: 246,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,829.60 : 326,744.40 = 164,607.20 : x
  2. Step 2: Convert to fraction form
    217,829.60/326,744.40 = 164,607.20/x
  3. Step 3: Cross multiply
    217,829.60x = 326,744.40 × 164,607.20
  4. Step 4: Simplify right side
    217,829.60x = 53,784,480,799.68
  5. Step 5: Solve for x
    x = 53,784,480,799.68/217,829.60
  6. Step 6: Final answer
    x = 246,910.80

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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.