Home / 254,789.28-351,278.64-163,982.88

Finding the Fourth Proportional to 254,789.28, 351,278.64 and 163,982.88

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Solution

The fourth proportional to 254,789.28, 351,278.64 and 163,982.88 is: 226,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,789.28 : 351,278.64 = 163,982.88 : x
  2. Step 2: Convert to fraction form
    254,789.28/351,278.64 = 163,982.88/x
  3. Step 3: Cross multiply
    254,789.28x = 351,278.64 × 163,982.88
  4. Step 4: Simplify right side
    254,789.28x = 57,603,683,069.68
  5. Step 5: Solve for x
    x = 57,603,683,069.68/254,789.28
  6. Step 6: Final answer
    x = 226,083.62

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1.5x scale

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.