Home / 323,171.72-445,980.05-179,934.84

Finding the Fourth Proportional to 323,171.72, 445,980.05 and 179,934.84

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Solution

The fourth proportional to 323,171.72, 445,980.05 and 179,934.84 is: 248,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,171.72 : 445,980.05 = 179,934.84 : x
  2. Step 2: Convert to fraction form
    323,171.72/445,980.05 = 179,934.84/x
  3. Step 3: Cross multiply
    323,171.72x = 445,980.05 × 179,934.84
  4. Step 4: Simplify right side
    323,171.72x = 80,247,348,715.02
  5. Step 5: Solve for x
    x = 80,247,348,715.02/323,171.72
  6. Step 6: Final answer
    x = 248,311.79

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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.