Home / 481,233.18-721,794.37-126,274.87

Finding the Fourth Proportional to 481,233.18, 721,794.37 and 126,274.87

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Solution

The fourth proportional to 481,233.18, 721,794.37 and 126,274.87 is: 189,397.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,233.18 : 721,794.37 = 126,274.87 : x
  2. Step 2: Convert to fraction form
    481,233.18/721,794.37 = 126,274.87/x
  3. Step 3: Cross multiply
    481,233.18x = 721,794.37 × 126,274.87
  4. Step 4: Simplify right side
    481,233.18x = 91,144,492,736.70
  5. Step 5: Solve for x
    x = 91,144,492,736.70/481,233.18
  6. Step 6: Final answer
    x = 189,397.78

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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.