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Finding the Fourth Proportional to 605,354.22, 907,716.02 and 225,962.96

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Solution

The fourth proportional to 605,354.22, 907,716.02 and 225,962.96 is: 338,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,354.22 : 907,716.02 = 225,962.96 : x
  2. Step 2: Convert to fraction form
    605,354.22/907,716.02 = 225,962.96/x
  3. Step 3: Cross multiply
    605,354.22x = 907,716.02 × 225,962.96
  4. Step 4: Simplify right side
    605,354.22x = 205,110,193,050.22
  5. Step 5: Solve for x
    x = 205,110,193,050.22/605,354.22
  6. Step 6: Final answer
    x = 338,826.73

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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.