Finding the Fourth Proportional to 362,020.70, 543,118.84 and 109,286.09
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Solution
The fourth proportional to 362,020.70, 543,118.84 and 109,286.09 is: 163,955.63
Step by Step Solution
- Step 1: Write the proportion equation
362,020.70 : 543,118.84 = 109,286.09 : x - Step 2: Convert to fraction form
362,020.70/543,118.84 = 109,286.09/x - Step 3: Cross multiply
362,020.70x = 543,118.84 × 109,286.09 - Step 4: Simplify right side
362,020.70x = 59,355,331,166.91 - Step 5: Solve for x
x = 59,355,331,166.91/362,020.70 - Step 6: Final answer
x = 163,955.63
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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.