Home / 240,465.15-331,845.19-149,857.74

Finding the Fourth Proportional to 240,465.15, 331,845.19 and 149,857.74

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Solution

The fourth proportional to 240,465.15, 331,845.19 and 149,857.74 is: 206,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,465.15 : 331,845.19 = 149,857.74 : x
  2. Step 2: Convert to fraction form
    240,465.15/331,845.19 = 149,857.74/x
  3. Step 3: Cross multiply
    240,465.15x = 331,845.19 × 149,857.74
  4. Step 4: Simplify right side
    240,465.15x = 49,729,570,203.27
  5. Step 5: Solve for x
    x = 49,729,570,203.27/240,465.15
  6. Step 6: Final answer
    x = 206,805.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.