Home / 326,629.50-489,975.17-126,965.31

Finding the Fourth Proportional to 326,629.50, 489,975.17 and 126,965.31

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Solution

The fourth proportional to 326,629.50, 489,975.17 and 126,965.31 is: 190,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,629.50 : 489,975.17 = 126,965.31 : x
  2. Step 2: Convert to fraction form
    326,629.50/489,975.17 = 126,965.31/x
  3. Step 3: Cross multiply
    326,629.50x = 489,975.17 × 126,965.31
  4. Step 4: Simplify right side
    326,629.50x = 62,209,848,716.53
  5. Step 5: Solve for x
    x = 62,209,848,716.53/326,629.50
  6. Step 6: Final answer
    x = 190,459.98

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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.