Finding the Fourth Proportional to 270,282.78, 372,987.72 and 149,427.09
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Solution
The fourth proportional to 270,282.78, 372,987.72 and 149,427.09 is: 206,207.99
Step by Step Solution
- Step 1: Write the proportion equation
270,282.78 : 372,987.72 = 149,427.09 : x - Step 2: Convert to fraction form
270,282.78/372,987.72 = 149,427.09/x - Step 3: Cross multiply
270,282.78x = 372,987.72 × 149,427.09 - Step 4: Simplify right side
270,282.78x = 55,734,469,605.33 - Step 5: Solve for x
x = 55,734,469,605.33/270,282.78 - Step 6: Final answer
x = 206,207.99
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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.