Home / 392,822.06-589,267.04-108,512.51

Finding the Fourth Proportional to 392,822.06, 589,267.04 and 108,512.51

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Solution

The fourth proportional to 392,822.06, 589,267.04 and 108,512.51 is: 162,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,822.06 : 589,267.04 = 108,512.51 : x
  2. Step 2: Convert to fraction form
    392,822.06/589,267.04 = 108,512.51/x
  3. Step 3: Cross multiply
    392,822.06x = 589,267.04 × 108,512.51
  4. Step 4: Simplify right side
    392,822.06x = 63,942,842,081.77
  5. Step 5: Solve for x
    x = 63,942,842,081.77/392,822.06
  6. Step 6: Final answer
    x = 162,778.14

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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.