Home / 270,012.20-372,609.62-149,150.89

Finding the Fourth Proportional to 270,012.20, 372,609.62 and 149,150.89

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Solution

The fourth proportional to 270,012.20, 372,609.62 and 149,150.89 is: 205,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,012.20 : 372,609.62 = 149,150.89 : x
  2. Step 2: Convert to fraction form
    270,012.20/372,609.62 = 149,150.89/x
  3. Step 3: Cross multiply
    270,012.20x = 372,609.62 × 149,150.89
  4. Step 4: Simplify right side
    270,012.20x = 55,575,054,209.64
  5. Step 5: Solve for x
    x = 55,575,054,209.64/270,012.20
  6. Step 6: Final answer
    x = 205,824.23

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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.