Home / 276,770.28-381,947.22-163,603.56

Finding the Fourth Proportional to 276,770.28, 381,947.22 and 163,603.56

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Solution

The fourth proportional to 276,770.28, 381,947.22 and 163,603.56 is: 225,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,770.28 : 381,947.22 = 163,603.56 : x
  2. Step 2: Convert to fraction form
    276,770.28/381,947.22 = 163,603.56/x
  3. Step 3: Cross multiply
    276,770.28x = 381,947.22 × 163,603.56
  4. Step 4: Simplify right side
    276,770.28x = 62,487,924,924.10
  5. Step 5: Solve for x
    x = 62,487,924,924.10/276,770.28
  6. Step 6: Final answer
    x = 225,775.42

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1.5x scale

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.