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Finding the Fourth Proportional to 275,612.10, 413,418.15 and 240,620.10

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Solution

The fourth proportional to 275,612.10, 413,418.15 and 240,620.10 is: 360,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,612.10 : 413,418.15 = 240,620.10 : x
  2. Step 2: Convert to fraction form
    275,612.10/413,418.15 = 240,620.10/x
  3. Step 3: Cross multiply
    275,612.10x = 413,418.15 × 240,620.10
  4. Step 4: Simplify right side
    275,612.10x = 99,476,716,594.82
  5. Step 5: Solve for x
    x = 99,476,716,594.82/275,612.10
  6. Step 6: Final answer
    x = 360,930.15

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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.