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Finding the Fourth Proportional to 377,413.36, 520,744.92 and 275,494.36

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Solution

The fourth proportional to 377,413.36, 520,744.92 and 275,494.36 is: 380,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,413.36 : 520,744.92 = 275,494.36 : x
  2. Step 2: Convert to fraction form
    377,413.36/520,744.92 = 275,494.36/x
  3. Step 3: Cross multiply
    377,413.36x = 520,744.92 × 275,494.36
  4. Step 4: Simplify right side
    377,413.36x = 143,462,288,458.65
  5. Step 5: Solve for x
    x = 143,462,288,458.65/377,413.36
  6. Step 6: Final answer
    x = 380,119.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.