Home / 454,684.20-682,001.73-139,141.14

Finding the Fourth Proportional to 454,684.20, 682,001.73 and 139,141.14

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Solution

The fourth proportional to 454,684.20, 682,001.73 and 139,141.14 is: 208,704.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,684.20 : 682,001.73 = 139,141.14 : x
  2. Step 2: Convert to fraction form
    454,684.20/682,001.73 = 139,141.14/x
  3. Step 3: Cross multiply
    454,684.20x = 682,001.73 × 139,141.14
  4. Step 4: Simplify right side
    454,684.20x = 94,894,498,194.17
  5. Step 5: Solve for x
    x = 94,894,498,194.17/454,684.20
  6. Step 6: Final answer
    x = 208,704.19

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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.