Home / 279,621.92-385,916.34-164,932.96

Finding the Fourth Proportional to 279,621.92, 385,916.34 and 164,932.96

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Solution

The fourth proportional to 279,621.92, 385,916.34 and 164,932.96 is: 227,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,621.92 : 385,916.34 = 164,932.96 : x
  2. Step 2: Convert to fraction form
    279,621.92/385,916.34 = 164,932.96/x
  3. Step 3: Cross multiply
    279,621.92x = 385,916.34 × 164,932.96
  4. Step 4: Simplify right side
    279,621.92x = 63,650,324,268.57
  5. Step 5: Solve for x
    x = 63,650,324,268.57/279,621.92
  6. Step 6: Final answer
    x = 227,629.95

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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.