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Finding the Fourth Proportional to 275,246.83, 412,850.19 and 123,490.90

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Solution

The fourth proportional to 275,246.83, 412,850.19 and 123,490.90 is: 185,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,246.83 : 412,850.19 = 123,490.90 : x
  2. Step 2: Convert to fraction form
    275,246.83/412,850.19 = 123,490.90/x
  3. Step 3: Cross multiply
    275,246.83x = 412,850.19 × 123,490.90
  4. Step 4: Simplify right side
    275,246.83x = 50,983,240,496.15
  5. Step 5: Solve for x
    x = 50,983,240,496.15/275,246.83
  6. Step 6: Final answer
    x = 185,227.35

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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.