Finding the Fourth Proportional to 151,759.80, 227,639.70 and 141,391.80
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Solution
The fourth proportional to 151,759.80, 227,639.70 and 141,391.80 is: 212,087.70
Step by Step Solution
- Step 1: Write the proportion equation
151,759.80 : 227,639.70 = 141,391.80 : x - Step 2: Convert to fraction form
151,759.80/227,639.70 = 141,391.80/x - Step 3: Cross multiply
151,759.80x = 227,639.70 × 141,391.80 - Step 4: Simplify right side
151,759.80x = 32,186,386,934.46 - Step 5: Solve for x
x = 32,186,386,934.46/151,759.80 - Step 6: Final answer
x = 212,087.70
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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.