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Finding the Fourth Proportional to 568,350.90, 852,854.40 and 213,400.80

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Solution

The fourth proportional to 568,350.90, 852,854.40 and 213,400.80 is: 320,224.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,350.90 : 852,854.40 = 213,400.80 : x
  2. Step 2: Convert to fraction form
    568,350.90/852,854.40 = 213,400.80/x
  3. Step 3: Cross multiply
    568,350.90x = 852,854.40 × 213,400.80
  4. Step 4: Simplify right side
    568,350.90x = 181,999,811,243.52
  5. Step 5: Solve for x
    x = 181,999,811,243.52/568,350.90
  6. Step 6: Final answer
    x = 320,224.37

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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.