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Finding the Fourth Proportional to 275,456.40, 412,601.40 and 240,464.40

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Solution

The fourth proportional to 275,456.40, 412,601.40 and 240,464.40 is: 360,187.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,456.40 : 412,601.40 = 240,464.40 : x
  2. Step 2: Convert to fraction form
    275,456.40/412,601.40 = 240,464.40/x
  3. Step 3: Cross multiply
    275,456.40x = 412,601.40 × 240,464.40
  4. Step 4: Simplify right side
    275,456.40x = 99,215,948,090.16
  5. Step 5: Solve for x
    x = 99,215,948,090.16/275,456.40
  6. Step 6: Final answer
    x = 360,187.49

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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.