Finding the Fourth Proportional to 327,696.40, 491,560.80 and 170,232.40
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Solution
The fourth proportional to 327,696.40, 491,560.80 and 170,232.40 is: 255,357.02
Step by Step Solution
- Step 1: Write the proportion equation
327,696.40 : 491,560.80 = 170,232.40 : x - Step 2: Convert to fraction form
327,696.40/491,560.80 = 170,232.40/x - Step 3: Cross multiply
327,696.40x = 491,560.80 × 170,232.40 - Step 4: Simplify right side
327,696.40x = 83,679,574,729.92 - Step 5: Solve for x
x = 83,679,574,729.92/327,696.40 - Step 6: Final answer
x = 255,357.02
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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.