Home / 270,286.03-372,992.20-149,430.34

Finding the Fourth Proportional to 270,286.03, 372,992.20 and 149,430.34

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Solution

The fourth proportional to 270,286.03, 372,992.20 and 149,430.34 is: 206,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,286.03 : 372,992.20 = 149,430.34 : x
  2. Step 2: Convert to fraction form
    270,286.03/372,992.20 = 149,430.34/x
  3. Step 3: Cross multiply
    270,286.03x = 372,992.20 × 149,430.34
  4. Step 4: Simplify right side
    270,286.03x = 55,736,351,263.35
  5. Step 5: Solve for x
    x = 55,736,351,263.35/270,286.03
  6. Step 6: Final answer
    x = 206,212.48

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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.