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Finding the Fourth Proportional to 270,039.33, 372,676.10 and 149,191.20

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Solution

The fourth proportional to 270,039.33, 372,676.10 and 149,191.20 is: 205,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,039.33 : 372,676.10 = 149,191.20 : x
  2. Step 2: Convert to fraction form
    270,039.33/372,676.10 = 149,191.20/x
  3. Step 3: Cross multiply
    270,039.33x = 372,676.10 × 149,191.20
  4. Step 4: Simplify right side
    270,039.33x = 55,599,993,824.36
  5. Step 5: Solve for x
    x = 55,599,993,824.36/270,039.33
  6. Step 6: Final answer
    x = 205,895.91

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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.