Home / 454,966.67-682,549.85-139,447.31

Finding the Fourth Proportional to 454,966.67, 682,549.85 and 139,447.31

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Solution

The fourth proportional to 454,966.67, 682,549.85 and 139,447.31 is: 209,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,966.67 : 682,549.85 = 139,447.31 : x
  2. Step 2: Convert to fraction form
    454,966.67/682,549.85 = 139,447.31/x
  3. Step 3: Cross multiply
    454,966.67x = 682,549.85 × 139,447.31
  4. Step 4: Simplify right side
    454,966.67x = 95,179,739,826.17
  5. Step 5: Solve for x
    x = 95,179,739,826.17/454,966.67
  6. Step 6: Final answer
    x = 209,201.57

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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.