Home / 454,948.11-682,397.52-139,405.94

Finding the Fourth Proportional to 454,948.11, 682,397.52 and 139,405.94

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Solution

The fourth proportional to 454,948.11, 682,397.52 and 139,405.94 is: 209,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,948.11 : 682,397.52 = 139,405.94 : x
  2. Step 2: Convert to fraction form
    454,948.11/682,397.52 = 139,405.94/x
  3. Step 3: Cross multiply
    454,948.11x = 682,397.52 × 139,405.94
  4. Step 4: Simplify right side
    454,948.11x = 95,130,264,317.28
  5. Step 5: Solve for x
    x = 95,130,264,317.28/454,948.11
  6. Step 6: Final answer
    x = 209,101.35

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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.