Finding the Fourth Proportional to 219,939.19, 303,517.70 and 119,337.19
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Solution
The fourth proportional to 219,939.19, 303,517.70 and 119,337.19 is: 164,686.20
Step by Step Solution
- Step 1: Write the proportion equation
219,939.19 : 303,517.70 = 119,337.19 : x - Step 2: Convert to fraction form
219,939.19/303,517.70 = 119,337.19/x - Step 3: Cross multiply
219,939.19x = 303,517.70 × 119,337.19 - Step 4: Simplify right side
219,939.19x = 36,220,949,433.26 - Step 5: Solve for x
x = 36,220,949,433.26/219,939.19 - Step 6: Final answer
x = 164,686.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.