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Finding the Fourth Proportional to 225,353.60, 338,026.40 and 90,452

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Solution

The fourth proportional to 225,353.60, 338,026.40 and 90,452 is: 135,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,353.60 : 338,026.40 = 90,452 : x
  2. Step 2: Convert to fraction form
    225,353.60/338,026.40 = 90,452/x
  3. Step 3: Cross multiply
    225,353.60x = 338,026.40 × 90,452
  4. Step 4: Simplify right side
    225,353.60x = 30,575,163,932.80
  5. Step 5: Solve for x
    x = 30,575,163,932.80/225,353.60
  6. Step 6: Final answer
    x = 135,676.39

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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.