Home / 340,558.20-469,959.36-202,736.64

Finding the Fourth Proportional to 340,558.20, 469,959.36 and 202,736.64

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Solution

The fourth proportional to 340,558.20, 469,959.36 and 202,736.64 is: 279,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,558.20 : 469,959.36 = 202,736.64 : x
  2. Step 2: Convert to fraction form
    340,558.20/469,959.36 = 202,736.64/x
  3. Step 3: Cross multiply
    340,558.20x = 469,959.36 × 202,736.64
  4. Step 4: Simplify right side
    340,558.20x = 95,277,981,582.95
  5. Step 5: Solve for x
    x = 95,277,981,582.95/340,558.20
  6. Step 6: Final answer
    x = 279,770.04

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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.