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Finding the Fourth Proportional to 276,800.90, 414,618.15 and 230,144.90

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Solution

The fourth proportional to 276,800.90, 414,618.15 and 230,144.90 is: 344,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,800.90 : 414,618.15 = 230,144.90 : x
  2. Step 2: Convert to fraction form
    276,800.90/414,618.15 = 230,144.90/x
  3. Step 3: Cross multiply
    276,800.90x = 414,618.15 × 230,144.90
  4. Step 4: Simplify right side
    276,800.90x = 95,422,252,669.94
  5. Step 5: Solve for x
    x = 95,422,252,669.94/276,800.90
  6. Step 6: Final answer
    x = 344,732.45

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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.