Home / 276,508.08-381,441.96-161,711.64

Finding the Fourth Proportional to 276,508.08, 381,441.96 and 161,711.64

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Solution

The fourth proportional to 276,508.08, 381,441.96 and 161,711.64 is: 223,080.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,508.08 : 381,441.96 = 161,711.64 : x
  2. Step 2: Convert to fraction form
    276,508.08/381,441.96 = 161,711.64/x
  3. Step 3: Cross multiply
    276,508.08x = 381,441.96 × 161,711.64
  4. Step 4: Simplify right side
    276,508.08x = 61,683,604,916.41
  5. Step 5: Solve for x
    x = 61,683,604,916.41/276,508.08
  6. Step 6: Final answer
    x = 223,080.66

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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.