Finding the Fourth Proportional to 303,471.80, 455,207.70 and 125,960.30
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Solution
The fourth proportional to 303,471.80, 455,207.70 and 125,960.30 is: 188,940.45
Step by Step Solution
- Step 1: Write the proportion equation
303,471.80 : 455,207.70 = 125,960.30 : x - Step 2: Convert to fraction form
303,471.80/455,207.70 = 125,960.30/x - Step 3: Cross multiply
303,471.80x = 455,207.70 × 125,960.30 - Step 4: Simplify right side
303,471.80x = 57,338,098,454.31 - Step 5: Solve for x
x = 57,338,098,454.31/303,471.80 - Step 6: Final answer
x = 188,940.45
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Similar ratio
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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.