Home / 326,917.85-489,463.15-176,619.65

Finding the Fourth Proportional to 326,917.85, 489,463.15 and 176,619.65

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Solution

The fourth proportional to 326,917.85, 489,463.15 and 176,619.65 is: 264,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,917.85 : 489,463.15 = 176,619.65 : x
  2. Step 2: Convert to fraction form
    326,917.85/489,463.15 = 176,619.65/x
  3. Step 3: Cross multiply
    326,917.85x = 489,463.15 × 176,619.65
  4. Step 4: Simplify right side
    326,917.85x = 86,448,809,357.80
  5. Step 5: Solve for x
    x = 86,448,809,357.80/326,917.85
  6. Step 6: Final answer
    x = 264,435.88

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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.