Home / 254,689.28-351,493.12-141,534.72

Finding the Fourth Proportional to 254,689.28, 351,493.12 and 141,534.72

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Solution

The fourth proportional to 254,689.28, 351,493.12 and 141,534.72 is: 195,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,689.28 : 351,493.12 = 141,534.72 : x
  2. Step 2: Convert to fraction form
    254,689.28/351,493.12 = 141,534.72/x
  3. Step 3: Cross multiply
    254,689.28x = 351,493.12 × 141,534.72
  4. Step 4: Simplify right side
    254,689.28x = 49,748,480,321.13
  5. Step 5: Solve for x
    x = 49,748,480,321.13/254,689.28
  6. Step 6: Final answer
    x = 195,330.09

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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.