Home / 326,847.25-490,418.75-166,840.56

Finding the Fourth Proportional to 326,847.25, 490,418.75 and 166,840.56

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Solution

The fourth proportional to 326,847.25, 490,418.75 and 166,840.56 is: 250,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,847.25 : 490,418.75 = 166,840.56 : x
  2. Step 2: Convert to fraction form
    326,847.25/490,418.75 = 166,840.56/x
  3. Step 3: Cross multiply
    326,847.25x = 490,418.75 × 166,840.56
  4. Step 4: Simplify right side
    326,847.25x = 81,821,739,301.60
  5. Step 5: Solve for x
    x = 81,821,739,301.60/326,847.25
  6. Step 6: Final answer
    x = 250,336.32

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1.5x scale

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.