Home / 276,628.33-381,909.78-260,685.10

Finding the Fourth Proportional to 276,628.33, 381,909.78 and 260,685.10

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Solution

The fourth proportional to 276,628.33, 381,909.78 and 260,685.10 is: 359,898.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,628.33 : 381,909.78 = 260,685.10 : x
  2. Step 2: Convert to fraction form
    276,628.33/381,909.78 = 260,685.10/x
  3. Step 3: Cross multiply
    276,628.33x = 381,909.78 × 260,685.10
  4. Step 4: Simplify right side
    276,628.33x = 99,558,189,190.28
  5. Step 5: Solve for x
    x = 99,558,189,190.28/276,628.33
  6. Step 6: Final answer
    x = 359,898.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.