Home / 273,890.45-410,835.68-198,657.65

Finding the Fourth Proportional to 273,890.45, 410,835.68 and 198,657.65

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Solution

The fourth proportional to 273,890.45, 410,835.68 and 198,657.65 is: 297,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,890.45 : 410,835.68 = 198,657.65 : x
  2. Step 2: Convert to fraction form
    273,890.45/410,835.68 = 198,657.65/x
  3. Step 3: Cross multiply
    273,890.45x = 410,835.68 × 198,657.65
  4. Step 4: Simplify right side
    273,890.45x = 81,615,649,731.66
  5. Step 5: Solve for x
    x = 81,615,649,731.66/273,890.45
  6. Step 6: Final answer
    x = 297,986.48

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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.