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Finding the Fourth Proportional to 265,069.44, 365,790.36 and 144,213.60

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Solution

The fourth proportional to 265,069.44, 365,790.36 and 144,213.60 is: 199,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,069.44 : 365,790.36 = 144,213.60 : x
  2. Step 2: Convert to fraction form
    265,069.44/365,790.36 = 144,213.60/x
  3. Step 3: Cross multiply
    265,069.44x = 365,790.36 × 144,213.60
  4. Step 4: Simplify right side
    265,069.44x = 52,751,944,660.90
  5. Step 5: Solve for x
    x = 52,751,944,660.90/265,069.44
  6. Step 6: Final answer
    x = 199,011.79

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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.