Home / 323,078.26-445,840.20-179,835.16

Finding the Fourth Proportional to 323,078.26, 445,840.20 and 179,835.16

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Solution

The fourth proportional to 323,078.26, 445,840.20 and 179,835.16 is: 248,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,078.26 : 445,840.20 = 179,835.16 : x
  2. Step 2: Convert to fraction form
    323,078.26/445,840.20 = 179,835.16/x
  3. Step 3: Cross multiply
    323,078.26x = 445,840.20 × 179,835.16
  4. Step 4: Simplify right side
    323,078.26x = 80,177,743,701.43
  5. Step 5: Solve for x
    x = 80,177,743,701.43/323,078.26
  6. Step 6: Final answer
    x = 248,168.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.