Home / 326,583.06-490,025.25-149,144.46

Finding the Fourth Proportional to 326,583.06, 490,025.25 and 149,144.46

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Solution

The fourth proportional to 326,583.06, 490,025.25 and 149,144.46 is: 223,785.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,583.06 : 490,025.25 = 149,144.46 : x
  2. Step 2: Convert to fraction form
    326,583.06/490,025.25 = 149,144.46/x
  3. Step 3: Cross multiply
    326,583.06x = 490,025.25 × 149,144.46
  4. Step 4: Simplify right side
    326,583.06x = 73,084,551,297.62
  5. Step 5: Solve for x
    x = 73,084,551,297.62/326,583.06
  6. Step 6: Final answer
    x = 223,785.49

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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.