Home / 276,722.46-381,877.56-161,980.38

Finding the Fourth Proportional to 276,722.46, 381,877.56 and 161,980.38

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Solution

The fourth proportional to 276,722.46, 381,877.56 and 161,980.38 is: 223,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,722.46 : 381,877.56 = 161,980.38 : x
  2. Step 2: Convert to fraction form
    276,722.46/381,877.56 = 161,980.38/x
  3. Step 3: Cross multiply
    276,722.46x = 381,877.56 × 161,980.38
  4. Step 4: Simplify right side
    276,722.46x = 61,856,672,282.27
  5. Step 5: Solve for x
    x = 61,856,672,282.27/276,722.46
  6. Step 6: Final answer
    x = 223,533.26

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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.