Finding the Fourth Proportional to 543,909.21, 815,583.42 and 244,132.80
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Solution
The fourth proportional to 543,909.21, 815,583.42 and 244,132.80 is: 366,073.35
Step by Step Solution
- Step 1: Write the proportion equation
543,909.21 : 815,583.42 = 244,132.80 : x - Step 2: Convert to fraction form
543,909.21/815,583.42 = 244,132.80/x - Step 3: Cross multiply
543,909.21x = 815,583.42 × 244,132.80 - Step 4: Simplify right side
543,909.21x = 199,110,663,958.18 - Step 5: Solve for x
x = 199,110,663,958.18/543,909.21 - Step 6: Final answer
x = 366,073.35
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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.