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Finding the Fourth Proportional to 270,305.60, 372,993.15 and 149,427.40

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Solution

The fourth proportional to 270,305.60, 372,993.15 and 149,427.40 is: 206,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,305.60 : 372,993.15 = 149,427.40 : x
  2. Step 2: Convert to fraction form
    270,305.60/372,993.15 = 149,427.40/x
  3. Step 3: Cross multiply
    270,305.60x = 372,993.15 × 149,427.40
  4. Step 4: Simplify right side
    270,305.60x = 55,735,396,622.31
  5. Step 5: Solve for x
    x = 55,735,396,622.31/270,305.60
  6. Step 6: Final answer
    x = 206,194.01

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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.