Home / 454,778.51-682,168.30-139,233.83

Finding the Fourth Proportional to 454,778.51, 682,168.30 and 139,233.83

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Solution

The fourth proportional to 454,778.51, 682,168.30 and 139,233.83 is: 208,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,778.51 : 682,168.30 = 139,233.83 : x
  2. Step 2: Convert to fraction form
    454,778.51/682,168.30 = 139,233.83/x
  3. Step 3: Cross multiply
    454,778.51x = 682,168.30 × 139,233.83
  4. Step 4: Simplify right side
    454,778.51x = 94,980,903,408.17
  5. Step 5: Solve for x
    x = 94,980,903,408.17/454,778.51
  6. Step 6: Final answer
    x = 208,850.91

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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.