Home / 326,329.13-489,493.71-115,975.37

Finding the Fourth Proportional to 326,329.13, 489,493.71 and 115,975.37

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Solution

The fourth proportional to 326,329.13, 489,493.71 and 115,975.37 is: 173,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,329.13 : 489,493.71 = 115,975.37 : x
  2. Step 2: Convert to fraction form
    326,329.13/489,493.71 = 115,975.37/x
  3. Step 3: Cross multiply
    326,329.13x = 489,493.71 × 115,975.37
  4. Step 4: Simplify right side
    326,329.13x = 56,769,211,682.45
  5. Step 5: Solve for x
    x = 56,769,211,682.45/326,329.13
  6. Step 6: Final answer
    x = 173,963.06

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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.