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Finding the Fourth Proportional to 270,019.92, 372,628.20 and 149,158.80

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Solution

The fourth proportional to 270,019.92, 372,628.20 and 149,158.80 is: 205,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,019.92 : 372,628.20 = 149,158.80 : x
  2. Step 2: Convert to fraction form
    270,019.92/372,628.20 = 149,158.80/x
  3. Step 3: Cross multiply
    270,019.92x = 372,628.20 × 149,158.80
  4. Step 4: Simplify right side
    270,019.92x = 55,580,775,158.16
  5. Step 5: Solve for x
    x = 55,580,775,158.16/270,019.92
  6. Step 6: Final answer
    x = 205,839.54

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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.