Home / 451,973.79-677,965.55-136,433.43

Finding the Fourth Proportional to 451,973.79, 677,965.55 and 136,433.43

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Solution

The fourth proportional to 451,973.79, 677,965.55 and 136,433.43 is: 204,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,973.79 : 677,965.55 = 136,433.43 : x
  2. Step 2: Convert to fraction form
    451,973.79/677,965.55 = 136,433.43/x
  3. Step 3: Cross multiply
    451,973.79x = 677,965.55 × 136,433.43
  4. Step 4: Simplify right side
    451,973.79x = 92,497,164,726.17
  5. Step 5: Solve for x
    x = 92,497,164,726.17/451,973.79
  6. Step 6: Final answer
    x = 204,651.61

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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.