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Finding the Fourth Proportional to 322,094.43, 482,777.15 and 163,988.91

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Solution

The fourth proportional to 322,094.43, 482,777.15 and 163,988.91 is: 245,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,094.43 : 482,777.15 = 163,988.91 : x
  2. Step 2: Convert to fraction form
    322,094.43/482,777.15 = 163,988.91/x
  3. Step 3: Cross multiply
    322,094.43x = 482,777.15 × 163,988.91
  4. Step 4: Simplify right side
    322,094.43x = 79,170,097,781.46
  5. Step 5: Solve for x
    x = 79,170,097,781.46/322,094.43
  6. Step 6: Final answer
    x = 245,797.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.