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Finding the Fourth Proportional to 323,095.64, 445,886.78 and 179,864.96

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Solution

The fourth proportional to 323,095.64, 445,886.78 and 179,864.96 is: 248,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,095.64 : 445,886.78 = 179,864.96 : x
  2. Step 2: Convert to fraction form
    323,095.64/445,886.78 = 179,864.96/x
  3. Step 3: Cross multiply
    323,095.64x = 445,886.78 × 179,864.96
  4. Step 4: Simplify right side
    323,095.64x = 80,199,404,720.47
  5. Step 5: Solve for x
    x = 80,199,404,720.47/323,095.64
  6. Step 6: Final answer
    x = 248,221.88

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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.