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Finding the Fourth Proportional to 323,228.64, 446,086.54 and 179,988.64

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Solution

The fourth proportional to 323,228.64, 446,086.54 and 179,988.64 is: 248,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,228.64 : 446,086.54 = 179,988.64 : x
  2. Step 2: Convert to fraction form
    323,228.64/446,086.54 = 179,988.64/x
  3. Step 3: Cross multiply
    323,228.64x = 446,086.54 × 179,988.64
  4. Step 4: Simplify right side
    323,228.64x = 80,290,509,656.91
  5. Step 5: Solve for x
    x = 80,290,509,656.91/323,228.64
  6. Step 6: Final answer
    x = 248,401.59

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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.