Home / 311,403.09-465,398.13-227,340.27

Finding the Fourth Proportional to 311,403.09, 465,398.13 and 227,340.27

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Solution

The fourth proportional to 311,403.09, 465,398.13 and 227,340.27 is: 339,764.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,403.09 : 465,398.13 = 227,340.27 : x
  2. Step 2: Convert to fraction form
    311,403.09/465,398.13 = 227,340.27/x
  3. Step 3: Cross multiply
    311,403.09x = 465,398.13 × 227,340.27
  4. Step 4: Simplify right side
    311,403.09x = 105,803,736,531.70
  5. Step 5: Solve for x
    x = 105,803,736,531.70/311,403.09
  6. Step 6: Final answer
    x = 339,764.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.