Finding the Fourth Proportional to 218,679.75, 327,278.95 and 134,493.28
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Solution
The fourth proportional to 218,679.75, 327,278.95 and 134,493.28 is: 201,284.38
Step by Step Solution
- Step 1: Write the proportion equation
218,679.75 : 327,278.95 = 134,493.28 : x - Step 2: Convert to fraction form
218,679.75/327,278.95 = 134,493.28/x - Step 3: Cross multiply
218,679.75x = 327,278.95 × 134,493.28 - Step 4: Simplify right side
218,679.75x = 44,016,818,306.03 - Step 5: Solve for x
x = 44,016,818,306.03/218,679.75 - Step 6: Final answer
x = 201,284.38
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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.