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Finding the Fourth Proportional to 568,491.88, 852,287.96 and 213,466.36

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Solution

The fourth proportional to 568,491.88, 852,287.96 and 213,466.36 is: 320,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,491.88 : 852,287.96 = 213,466.36 : x
  2. Step 2: Convert to fraction form
    568,491.88/852,287.96 = 213,466.36/x
  3. Step 3: Cross multiply
    568,491.88x = 852,287.96 × 213,466.36
  4. Step 4: Simplify right side
    568,491.88x = 181,934,808,493.03
  5. Step 5: Solve for x
    x = 181,934,808,493.03/568,491.88
  6. Step 6: Final answer
    x = 320,030.62

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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.