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Finding the Fourth Proportional to 573,433.87, 860,243.84 and 189,067.93

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Solution

The fourth proportional to 573,433.87, 860,243.84 and 189,067.93 is: 283,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,433.87 : 860,243.84 = 189,067.93 : x
  2. Step 2: Convert to fraction form
    573,433.87/860,243.84 = 189,067.93/x
  3. Step 3: Cross multiply
    573,433.87x = 860,243.84 × 189,067.93
  4. Step 4: Simplify right side
    573,433.87x = 162,644,522,124.05
  5. Step 5: Solve for x
    x = 162,644,522,124.05/573,433.87
  6. Step 6: Final answer
    x = 283,632.57

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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.