Home / 377,912.46-521,578.42-222,880.79

Finding the Fourth Proportional to 377,912.46, 521,578.42 and 222,880.79

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Solution

The fourth proportional to 377,912.46, 521,578.42 and 222,880.79 is: 307,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,912.46 : 521,578.42 = 222,880.79 : x
  2. Step 2: Convert to fraction form
    377,912.46/521,578.42 = 222,880.79/x
  3. Step 3: Cross multiply
    377,912.46x = 521,578.42 × 222,880.79
  4. Step 4: Simplify right side
    377,912.46x = 116,249,810,296.55
  5. Step 5: Solve for x
    x = 116,249,810,296.55/377,912.46
  6. Step 6: Final answer
    x = 307,610.42

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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.