Finding the Fourth Proportional to 543,306.96, 814,960.44 and 243,624.06
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Solution
The fourth proportional to 543,306.96, 814,960.44 and 243,624.06 is: 365,436.09
Step by Step Solution
- Step 1: Write the proportion equation
543,306.96 : 814,960.44 = 243,624.06 : x - Step 2: Convert to fraction form
543,306.96/814,960.44 = 243,624.06/x - Step 3: Cross multiply
543,306.96x = 814,960.44 × 243,624.06 - Step 4: Simplify right side
543,306.96x = 198,543,971,132.19 - Step 5: Solve for x
x = 198,543,971,132.19/543,306.96 - Step 6: Final answer
x = 365,436.09
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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.