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Finding the Fourth Proportional to 481,364.40, 721,847.88 and 181,794

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Solution

The fourth proportional to 481,364.40, 721,847.88 and 181,794 is: 272,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,364.40 : 721,847.88 = 181,794 : x
  2. Step 2: Convert to fraction form
    481,364.40/721,847.88 = 181,794/x
  3. Step 3: Cross multiply
    481,364.40x = 721,847.88 × 181,794
  4. Step 4: Simplify right side
    481,364.40x = 131,227,613,496.72
  5. Step 5: Solve for x
    x = 131,227,613,496.72/481,364.40
  6. Step 6: Final answer
    x = 272,615.95

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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.