Finding the Fourth Proportional to 202,474.40, 303,711.60 and 155,235.20
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Solution
The fourth proportional to 202,474.40, 303,711.60 and 155,235.20 is: 232,852.80
Step by Step Solution
- Step 1: Write the proportion equation
202,474.40 : 303,711.60 = 155,235.20 : x - Step 2: Convert to fraction form
202,474.40/303,711.60 = 155,235.20/x - Step 3: Cross multiply
202,474.40x = 303,711.60 × 155,235.20 - Step 4: Simplify right side
202,474.40x = 47,146,730,968.32 - Step 5: Solve for x
x = 47,146,730,968.32/202,474.40 - Step 6: Final answer
x = 232,852.80
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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.