Home / 454,823.96-682,237.54-139,279.48

Finding the Fourth Proportional to 454,823.96, 682,237.54 and 139,279.48

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Solution

The fourth proportional to 454,823.96, 682,237.54 and 139,279.48 is: 208,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,823.96 : 682,237.54 = 139,279.48 : x
  2. Step 2: Convert to fraction form
    454,823.96/682,237.54 = 139,279.48/x
  3. Step 3: Cross multiply
    454,823.96x = 682,237.54 × 139,279.48
  4. Step 4: Simplify right side
    454,823.96x = 95,021,689,807.68
  5. Step 5: Solve for x
    x = 95,021,689,807.68/454,823.96
  6. Step 6: Final answer
    x = 208,919.71

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1.5x scale

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.