Home / 352,050.12-485,836.92-208,757.88

Finding the Fourth Proportional to 352,050.12, 485,836.92 and 208,757.88

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Solution

The fourth proportional to 352,050.12, 485,836.92 and 208,757.88 is: 288,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,050.12 : 485,836.92 = 208,757.88 : x
  2. Step 2: Convert to fraction form
    352,050.12/485,836.92 = 208,757.88/x
  3. Step 3: Cross multiply
    352,050.12x = 485,836.92 × 208,757.88
  4. Step 4: Simplify right side
    352,050.12x = 101,422,285,444.93
  5. Step 5: Solve for x
    x = 101,422,285,444.93/352,050.12
  6. Step 6: Final answer
    x = 288,090.47

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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.