Home / 239,834.28-330,999.30-199,476.84

Finding the Fourth Proportional to 239,834.28, 330,999.30 and 199,476.84

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Solution

The fourth proportional to 239,834.28, 330,999.30 and 199,476.84 is: 275,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,834.28 : 330,999.30 = 199,476.84 : x
  2. Step 2: Convert to fraction form
    239,834.28/330,999.30 = 199,476.84/x
  3. Step 3: Cross multiply
    239,834.28x = 330,999.30 × 199,476.84
  4. Step 4: Simplify right side
    239,834.28x = 66,026,694,406.21
  5. Step 5: Solve for x
    x = 66,026,694,406.21/239,834.28
  6. Step 6: Final answer
    x = 275,301.32

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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.