Home / 454,824.96-682,239.04-139,280.48

Finding the Fourth Proportional to 454,824.96, 682,239.04 and 139,280.48

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Solution

The fourth proportional to 454,824.96, 682,239.04 and 139,280.48 is: 208,921.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,824.96 : 682,239.04 = 139,280.48 : x
  2. Step 2: Convert to fraction form
    454,824.96/682,239.04 = 139,280.48/x
  3. Step 3: Cross multiply
    454,824.96x = 682,239.04 × 139,280.48
  4. Step 4: Simplify right side
    454,824.96x = 95,022,580,965.94
  5. Step 5: Solve for x
    x = 95,022,580,965.94/454,824.96
  6. Step 6: Final answer
    x = 208,921.21

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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.