Home / 454,932.06-682,539.69-135,085.61

Finding the Fourth Proportional to 454,932.06, 682,539.69 and 135,085.61

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Solution

The fourth proportional to 454,932.06, 682,539.69 and 135,085.61 is: 202,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,932.06 : 682,539.69 = 135,085.61 : x
  2. Step 2: Convert to fraction form
    454,932.06/682,539.69 = 135,085.61/x
  3. Step 3: Cross multiply
    454,932.06x = 682,539.69 × 135,085.61
  4. Step 4: Simplify right side
    454,932.06x = 92,201,288,366.57
  5. Step 5: Solve for x
    x = 92,201,288,366.57/454,932.06
  6. Step 6: Final answer
    x = 202,670.46

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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.