Home / 456,229.20-684,329.52-189,983.04

Finding the Fourth Proportional to 456,229.20, 684,329.52 and 189,983.04

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Solution

The fourth proportional to 456,229.20, 684,329.52 and 189,983.04 is: 284,968.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,229.20 : 684,329.52 = 189,983.04 : x
  2. Step 2: Convert to fraction form
    456,229.20/684,329.52 = 189,983.04/x
  3. Step 3: Cross multiply
    456,229.20x = 684,329.52 × 189,983.04
  4. Step 4: Simplify right side
    456,229.20x = 130,011,002,571.34
  5. Step 5: Solve for x
    x = 130,011,002,571.34/456,229.20
  6. Step 6: Final answer
    x = 284,968.61

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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.