Home / 326,144.92-489,232.74-269,113.02

Finding the Fourth Proportional to 326,144.92, 489,232.74 and 269,113.02

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Solution

The fourth proportional to 326,144.92, 489,232.74 and 269,113.02 is: 403,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,144.92 : 489,232.74 = 269,113.02 : x
  2. Step 2: Convert to fraction form
    326,144.92/489,232.74 = 269,113.02/x
  3. Step 3: Cross multiply
    326,144.92x = 489,232.74 × 269,113.02
  4. Step 4: Simplify right side
    326,144.92x = 131,658,900,144.28
  5. Step 5: Solve for x
    x = 131,658,900,144.28/326,144.92
  6. Step 6: Final answer
    x = 403,682.20

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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.