Finding the Fourth Proportional to 270,083.78, 372,713.43 and 149,224.70
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Solution
The fourth proportional to 270,083.78, 372,713.43 and 149,224.70 is: 205,928.88
Step by Step Solution
- Step 1: Write the proportion equation
270,083.78 : 372,713.43 = 149,224.70 : x - Step 2: Convert to fraction form
270,083.78/372,713.43 = 149,224.70/x - Step 3: Cross multiply
270,083.78x = 372,713.43 × 149,224.70 - Step 4: Simplify right side
270,083.78x = 55,618,049,777.72 - Step 5: Solve for x
x = 55,618,049,777.72/270,083.78 - Step 6: Final answer
x = 205,928.88
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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.