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Finding the Fourth Proportional to 568,802.45, 852,994.40 and 231,660

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Solution

The fourth proportional to 568,802.45, 852,994.40 and 231,660 is: 347,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,802.45 : 852,994.40 = 231,660 : x
  2. Step 2: Convert to fraction form
    568,802.45/852,994.40 = 231,660/x
  3. Step 3: Cross multiply
    568,802.45x = 852,994.40 × 231,660
  4. Step 4: Simplify right side
    568,802.45x = 197,604,681,545.70
  5. Step 5: Solve for x
    x = 197,604,681,545.70/568,802.45
  6. Step 6: Final answer
    x = 347,404.76

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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.