Home / 321,724.64-443,908.58-185,729.06

Finding the Fourth Proportional to 321,724.64, 443,908.58 and 185,729.06

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Solution

The fourth proportional to 321,724.64, 443,908.58 and 185,729.06 is: 256,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,724.64 : 443,908.58 = 185,729.06 : x
  2. Step 2: Convert to fraction form
    321,724.64/443,908.58 = 185,729.06/x
  3. Step 3: Cross multiply
    321,724.64x = 443,908.58 × 185,729.06
  4. Step 4: Simplify right side
    321,724.64x = 82,446,723,289.33
  5. Step 5: Solve for x
    x = 82,446,723,289.33/321,724.64
  6. Step 6: Final answer
    x = 256,264.87

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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.