Finding the Fourth Proportional to 327,672.28, 452,327.11 and 220,304.55
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Solution
The fourth proportional to 327,672.28, 452,327.11 and 220,304.55 is: 304,113.98
Step by Step Solution
- Step 1: Write the proportion equation
327,672.28 : 452,327.11 = 220,304.55 : x - Step 2: Convert to fraction form
327,672.28/452,327.11 = 220,304.55/x - Step 3: Cross multiply
327,672.28x = 452,327.11 × 220,304.55 - Step 4: Simplify right side
327,672.28x = 99,649,719,870.59 - Step 5: Solve for x
x = 99,649,719,870.59/327,672.28 - Step 6: Final answer
x = 304,113.98
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1.5x scale
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.