Home / 325,631.10-488,446.65-225,903.90

Finding the Fourth Proportional to 325,631.10, 488,446.65 and 225,903.90

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Solution

The fourth proportional to 325,631.10, 488,446.65 and 225,903.90 is: 338,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,631.10 : 488,446.65 = 225,903.90 : x
  2. Step 2: Convert to fraction form
    325,631.10/488,446.65 = 225,903.90/x
  3. Step 3: Cross multiply
    325,631.10x = 488,446.65 × 225,903.90
  4. Step 4: Simplify right side
    325,631.10x = 110,342,003,176.94
  5. Step 5: Solve for x
    x = 110,342,003,176.94/325,631.10
  6. Step 6: Final answer
    x = 338,855.85

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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.