Home / 326,276.10-489,025.35-136,736.10

Finding the Fourth Proportional to 326,276.10, 489,025.35 and 136,736.10

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Solution

The fourth proportional to 326,276.10, 489,025.35 and 136,736.10 is: 204,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,276.10 : 489,025.35 = 136,736.10 : x
  2. Step 2: Convert to fraction form
    326,276.10/489,025.35 = 136,736.10/x
  3. Step 3: Cross multiply
    326,276.10x = 489,025.35 × 136,736.10
  4. Step 4: Simplify right side
    326,276.10x = 66,867,419,160.14
  5. Step 5: Solve for x
    x = 66,867,419,160.14/326,276.10
  6. Step 6: Final answer
    x = 204,941.21

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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.