Home / 217,413.91-300,034.26-131,360.92

Finding the Fourth Proportional to 217,413.91, 300,034.26 and 131,360.92

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Solution

The fourth proportional to 217,413.91, 300,034.26 and 131,360.92 is: 181,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,413.91 : 300,034.26 = 131,360.92 : x
  2. Step 2: Convert to fraction form
    217,413.91/300,034.26 = 131,360.92/x
  3. Step 3: Cross multiply
    217,413.91x = 300,034.26 × 131,360.92
  4. Step 4: Simplify right side
    217,413.91x = 39,412,774,924.95
  5. Step 5: Solve for x
    x = 39,412,774,924.95/217,413.91
  6. Step 6: Final answer
    x = 181,279.92

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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.