Home / 276,933.12-381,916.80-181,404.96

Finding the Fourth Proportional to 276,933.12, 381,916.80 and 181,404.96

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Solution

The fourth proportional to 276,933.12, 381,916.80 and 181,404.96 is: 250,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,933.12 : 381,916.80 = 181,404.96 : x
  2. Step 2: Convert to fraction form
    276,933.12/381,916.80 = 181,404.96/x
  3. Step 3: Cross multiply
    276,933.12x = 381,916.80 × 181,404.96
  4. Step 4: Simplify right side
    276,933.12x = 69,281,601,827.33
  5. Step 5: Solve for x
    x = 69,281,601,827.33/276,933.12
  6. Step 6: Final answer
    x = 250,174.49

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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.