Home / 356,973.80-492,620.97-193,629.90

Finding the Fourth Proportional to 356,973.80, 492,620.97 and 193,629.90

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Solution

The fourth proportional to 356,973.80, 492,620.97 and 193,629.90 is: 267,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,973.80 : 492,620.97 = 193,629.90 : x
  2. Step 2: Convert to fraction form
    356,973.80/492,620.97 = 193,629.90/x
  3. Step 3: Cross multiply
    356,973.80x = 492,620.97 × 193,629.90
  4. Step 4: Simplify right side
    356,973.80x = 95,386,151,732.44
  5. Step 5: Solve for x
    x = 95,386,151,732.44/356,973.80
  6. Step 6: Final answer
    x = 267,207.71

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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.