Home / 392,450.40-541,585.23-222,671.16

Finding the Fourth Proportional to 392,450.40, 541,585.23 and 222,671.16

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Solution

The fourth proportional to 392,450.40, 541,585.23 and 222,671.16 is: 307,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,450.40 : 541,585.23 = 222,671.16 : x
  2. Step 2: Convert to fraction form
    392,450.40/541,585.23 = 222,671.16/x
  3. Step 3: Cross multiply
    392,450.40x = 541,585.23 × 222,671.16
  4. Step 4: Simplify right side
    392,450.40x = 120,595,411,402.97
  5. Step 5: Solve for x
    x = 120,595,411,402.97/392,450.40
  6. Step 6: Final answer
    x = 307,288.29

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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.