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Finding the Fourth Proportional to 323,060.73, 445,823.82 and 179,817.69

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Solution

The fourth proportional to 323,060.73, 445,823.82 and 179,817.69 is: 248,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,060.73 : 445,823.82 = 179,817.69 : x
  2. Step 2: Convert to fraction form
    323,060.73/445,823.82 = 179,817.69/x
  3. Step 3: Cross multiply
    323,060.73x = 445,823.82 × 179,817.69
  4. Step 4: Simplify right side
    323,060.73x = 80,167,009,459.38
  5. Step 5: Solve for x
    x = 80,167,009,459.38/323,060.73
  6. Step 6: Final answer
    x = 248,148.42

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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.