Home / 375,065.91-517,511.03-222,151.95

Finding the Fourth Proportional to 375,065.91, 517,511.03 and 222,151.95

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Solution

The fourth proportional to 375,065.91, 517,511.03 and 222,151.95 is: 306,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,065.91 : 517,511.03 = 222,151.95 : x
  2. Step 2: Convert to fraction form
    375,065.91/517,511.03 = 222,151.95/x
  3. Step 3: Cross multiply
    375,065.91x = 517,511.03 × 222,151.95
  4. Step 4: Simplify right side
    375,065.91x = 114,966,083,350.25
  5. Step 5: Solve for x
    x = 114,966,083,350.25/375,065.91
  6. Step 6: Final answer
    x = 306,522.35

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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.