Finding the Fourth Proportional to 247,832.90, 371,540.36 and 107,485.82
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Solution
The fourth proportional to 247,832.90, 371,540.36 and 107,485.82 is: 161,138.09
Step by Step Solution
- Step 1: Write the proportion equation
247,832.90 : 371,540.36 = 107,485.82 : x - Step 2: Convert to fraction form
247,832.90/371,540.36 = 107,485.82/x - Step 3: Cross multiply
247,832.90x = 371,540.36 × 107,485.82 - Step 4: Simplify right side
247,832.90x = 39,935,320,257.70 - Step 5: Solve for x
x = 39,935,320,257.70/247,832.90 - Step 6: Final answer
x = 161,138.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.