Home / 331,815.87-497,723.27-264,942.63

Finding the Fourth Proportional to 331,815.87, 497,723.27 and 264,942.63

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Solution

The fourth proportional to 331,815.87, 497,723.27 and 264,942.63 is: 397,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,815.87 : 497,723.27 = 264,942.63 : x
  2. Step 2: Convert to fraction form
    331,815.87/497,723.27 = 264,942.63/x
  3. Step 3: Cross multiply
    331,815.87x = 497,723.27 × 264,942.63
  4. Step 4: Simplify right side
    331,815.87x = 131,868,110,841.29
  5. Step 5: Solve for x
    x = 131,868,110,841.29/331,815.87
  6. Step 6: Final answer
    x = 397,413.51

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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.