Home / 215,827-323,770.04-73,634.10

Finding the Fourth Proportional to 215,827, 323,770.04 and 73,634.10

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Solution

The fourth proportional to 215,827, 323,770.04 and 73,634.10 is: 110,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,827 : 323,770.04 = 73,634.10 : x
  2. Step 2: Convert to fraction form
    215,827/323,770.04 = 73,634.10/x
  3. Step 3: Cross multiply
    215,827x = 323,770.04 × 73,634.10
  4. Step 4: Simplify right side
    215,827x = 23,840,515,502.36
  5. Step 5: Solve for x
    x = 23,840,515,502.36/215,827
  6. Step 6: Final answer
    x = 110,461.23

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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.