Home / 392,728.02-589,080.24-108,435.96

Finding the Fourth Proportional to 392,728.02, 589,080.24 and 108,435.96

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Solution

The fourth proportional to 392,728.02, 589,080.24 and 108,435.96 is: 162,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,728.02 : 589,080.24 = 108,435.96 : x
  2. Step 2: Convert to fraction form
    392,728.02/589,080.24 = 108,435.96/x
  3. Step 3: Cross multiply
    392,728.02x = 589,080.24 × 108,435.96
  4. Step 4: Simplify right side
    392,728.02x = 63,877,481,341.43
  5. Step 5: Solve for x
    x = 63,877,481,341.43/392,728.02
  6. Step 6: Final answer
    x = 162,650.68

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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.