Home / 254,579.88-351,322.20-159,142.80

Finding the Fourth Proportional to 254,579.88, 351,322.20 and 159,142.80

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Solution

The fourth proportional to 254,579.88, 351,322.20 and 159,142.80 is: 219,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,579.88 : 351,322.20 = 159,142.80 : x
  2. Step 2: Convert to fraction form
    254,579.88/351,322.20 = 159,142.80/x
  3. Step 3: Cross multiply
    254,579.88x = 351,322.20 × 159,142.80
  4. Step 4: Simplify right side
    254,579.88x = 55,910,398,610.16
  5. Step 5: Solve for x
    x = 55,910,398,610.16/254,579.88
  6. Step 6: Final answer
    x = 219,618.29

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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.