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Finding the Fourth Proportional to 540,958.34, 811,511.33 and 225,341.44

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Solution

The fourth proportional to 540,958.34, 811,511.33 and 225,341.44 is: 338,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,958.34 : 811,511.33 = 225,341.44 : x
  2. Step 2: Convert to fraction form
    540,958.34/811,511.33 = 225,341.44/x
  3. Step 3: Cross multiply
    540,958.34x = 811,511.33 × 225,341.44
  4. Step 4: Simplify right side
    540,958.34x = 182,867,128,523.03
  5. Step 5: Solve for x
    x = 182,867,128,523.03/540,958.34
  6. Step 6: Final answer
    x = 338,042.90

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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.