Finding the Fourth Proportional to 202,101.80, 303,152.70 and 148,957.70
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Solution
The fourth proportional to 202,101.80, 303,152.70 and 148,957.70 is: 223,436.55
Step by Step Solution
- Step 1: Write the proportion equation
202,101.80 : 303,152.70 = 148,957.70 : x - Step 2: Convert to fraction form
202,101.80/303,152.70 = 148,957.70/x - Step 3: Cross multiply
202,101.80x = 303,152.70 × 148,957.70 - Step 4: Simplify right side
202,101.80x = 45,156,928,940.79 - Step 5: Solve for x
x = 45,156,928,940.79/202,101.80 - Step 6: Final answer
x = 223,436.55
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1.5x scale
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.