Finding the Fourth Proportional to 203,737.55, 281,349.26 and 131,267.66
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Solution
The fourth proportional to 203,737.55, 281,349.26 and 131,267.66 is: 181,272.72
Step by Step Solution
- Step 1: Write the proportion equation
203,737.55 : 281,349.26 = 131,267.66 : x - Step 2: Convert to fraction form
203,737.55/281,349.26 = 131,267.66/x - Step 3: Cross multiply
203,737.55x = 281,349.26 × 131,267.66 - Step 4: Simplify right side
203,737.55x = 36,932,058,170.48 - Step 5: Solve for x
x = 36,932,058,170.48/203,737.55 - Step 6: Final answer
x = 181,272.72
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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.