Home / 281,727.24-422,606.28-71,367

Finding the Fourth Proportional to 281,727.24, 422,606.28 and 71,367

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Solution

The fourth proportional to 281,727.24, 422,606.28 and 71,367 is: 107,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,727.24 : 422,606.28 = 71,367 : x
  2. Step 2: Convert to fraction form
    281,727.24/422,606.28 = 71,367/x
  3. Step 3: Cross multiply
    281,727.24x = 422,606.28 × 71,367
  4. Step 4: Simplify right side
    281,727.24x = 30,160,142,384.76
  5. Step 5: Solve for x
    x = 30,160,142,384.76/281,727.24
  6. Step 6: Final answer
    x = 107,054.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.