Finding the Fourth Proportional to 163,874.92, 226,131.74 and 120,877.80
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Solution
The fourth proportional to 163,874.92, 226,131.74 and 120,877.80 is: 166,799.82
Step by Step Solution
- Step 1: Write the proportion equation
163,874.92 : 226,131.74 = 120,877.80 : x - Step 2: Convert to fraction form
163,874.92/226,131.74 = 120,877.80/x - Step 3: Cross multiply
163,874.92x = 226,131.74 × 120,877.80 - Step 4: Simplify right side
163,874.92x = 27,334,307,241.37 - Step 5: Solve for x
x = 27,334,307,241.37/163,874.92 - Step 6: Final answer
x = 166,799.82
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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.