Home / 392,960.10-589,440.15-235,107.30

Finding the Fourth Proportional to 392,960.10, 589,440.15 and 235,107.30

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Solution

The fourth proportional to 392,960.10, 589,440.15 and 235,107.30 is: 352,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,960.10 : 589,440.15 = 235,107.30 : x
  2. Step 2: Convert to fraction form
    392,960.10/589,440.15 = 235,107.30/x
  3. Step 3: Cross multiply
    392,960.10x = 589,440.15 × 235,107.30
  4. Step 4: Simplify right side
    392,960.10x = 138,581,682,178.10
  5. Step 5: Solve for x
    x = 138,581,682,178.10/392,960.10
  6. Step 6: Final answer
    x = 352,660.95

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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.