Finding the Fourth Proportional to 218,832.16, 328,265.18 and 83,960.80
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Solution
The fourth proportional to 218,832.16, 328,265.18 and 83,960.80 is: 125,947.70
Step by Step Solution
- Step 1: Write the proportion equation
218,832.16 : 328,265.18 = 83,960.80 : x - Step 2: Convert to fraction form
218,832.16/328,265.18 = 83,960.80/x - Step 3: Cross multiply
218,832.16x = 328,265.18 × 83,960.80 - Step 4: Simplify right side
218,832.16x = 27,561,407,124.94 - Step 5: Solve for x
x = 27,561,407,124.94/218,832.16 - Step 6: Final answer
x = 125,947.70
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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.