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Finding the Fourth Proportional to 275,195.40, 412,793.10 and 230,908.65

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Solution

The fourth proportional to 275,195.40, 412,793.10 and 230,908.65 is: 346,362.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,195.40 : 412,793.10 = 230,908.65 : x
  2. Step 2: Convert to fraction form
    275,195.40/412,793.10 = 230,908.65/x
  3. Step 3: Cross multiply
    275,195.40x = 412,793.10 × 230,908.65
  4. Step 4: Simplify right side
    275,195.40x = 95,317,497,450.32
  5. Step 5: Solve for x
    x = 95,317,497,450.32/275,195.40
  6. Step 6: Final answer
    x = 346,362.98

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1.5x scale

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.