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Finding the Fourth Proportional to 288,308.43, 397,760.22 and 180,839.25

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Solution

The fourth proportional to 288,308.43, 397,760.22 and 180,839.25 is: 249,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,308.43 : 397,760.22 = 180,839.25 : x
  2. Step 2: Convert to fraction form
    288,308.43/397,760.22 = 180,839.25/x
  3. Step 3: Cross multiply
    288,308.43x = 397,760.22 × 180,839.25
  4. Step 4: Simplify right side
    288,308.43x = 71,930,659,864.64
  5. Step 5: Solve for x
    x = 71,930,659,864.64/288,308.43
  6. Step 6: Final answer
    x = 249,492.05

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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.