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Finding the Fourth Proportional to 323,184.88, 484,558.62 and 112,708

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Solution

The fourth proportional to 323,184.88, 484,558.62 and 112,708 is: 168,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,184.88 : 484,558.62 = 112,708 : x
  2. Step 2: Convert to fraction form
    323,184.88/484,558.62 = 112,708/x
  3. Step 3: Cross multiply
    323,184.88x = 484,558.62 × 112,708
  4. Step 4: Simplify right side
    323,184.88x = 54,613,632,942.96
  5. Step 5: Solve for x
    x = 54,613,632,942.96/323,184.88
  6. Step 6: Final answer
    x = 168,985.73

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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.