Home / 454,937.22-682,381.21-139,395.04

Finding the Fourth Proportional to 454,937.22, 682,381.21 and 139,395.04

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Solution

The fourth proportional to 454,937.22, 682,381.21 and 139,395.04 is: 209,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,937.22 : 682,381.21 = 139,395.04 : x
  2. Step 2: Convert to fraction form
    454,937.22/682,381.21 = 139,395.04/x
  3. Step 3: Cross multiply
    454,937.22x = 682,381.21 × 139,395.04
  4. Step 4: Simplify right side
    454,937.22x = 95,120,556,063.20
  5. Step 5: Solve for x
    x = 95,120,556,063.20/454,937.22
  6. Step 6: Final answer
    x = 209,085.02

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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.