Home / 276,769.28-381,945.84-163,602.56

Finding the Fourth Proportional to 276,769.28, 381,945.84 and 163,602.56

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Solution

The fourth proportional to 276,769.28, 381,945.84 and 163,602.56 is: 225,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,769.28 : 381,945.84 = 163,602.56 : x
  2. Step 2: Convert to fraction form
    276,769.28/381,945.84 = 163,602.56/x
  3. Step 3: Cross multiply
    276,769.28x = 381,945.84 × 163,602.56
  4. Step 4: Simplify right side
    276,769.28x = 62,487,317,205.35
  5. Step 5: Solve for x
    x = 62,487,317,205.35/276,769.28
  6. Step 6: Final answer
    x = 225,774.04

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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.