Home / 288,370.22-395,060.61-277,588.60

Finding the Fourth Proportional to 288,370.22, 395,060.61 and 277,588.60

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Solution

The fourth proportional to 288,370.22, 395,060.61 and 277,588.60 is: 380,290.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,370.22 : 395,060.61 = 277,588.60 : x
  2. Step 2: Convert to fraction form
    288,370.22/395,060.61 = 277,588.60/x
  3. Step 3: Cross multiply
    288,370.22x = 395,060.61 × 277,588.60
  4. Step 4: Simplify right side
    288,370.22x = 109,664,321,645.05
  5. Step 5: Solve for x
    x = 109,664,321,645.05/288,370.22
  6. Step 6: Final answer
    x = 380,290.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.