Finding the Fourth Proportional to 218,859.54, 328,193.97 and 116,254.42
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Solution
The fourth proportional to 218,859.54, 328,193.97 and 116,254.42 is: 174,330.99
Step by Step Solution
- Step 1: Write the proportion equation
218,859.54 : 328,193.97 = 116,254.42 : x - Step 2: Convert to fraction form
218,859.54/328,193.97 = 116,254.42/x - Step 3: Cross multiply
218,859.54x = 328,193.97 × 116,254.42 - Step 4: Simplify right side
218,859.54x = 38,153,999,629.85 - Step 5: Solve for x
x = 38,153,999,629.85/218,859.54 - Step 6: Final answer
x = 174,330.99
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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.