Finding the Fourth Proportional to 517,876.18, 776,503.20 and 202,481.62
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Solution
The fourth proportional to 517,876.18, 776,503.20 and 202,481.62 is: 303,600.81
Step by Step Solution
- Step 1: Write the proportion equation
517,876.18 : 776,503.20 = 202,481.62 : x - Step 2: Convert to fraction form
517,876.18/776,503.20 = 202,481.62/x - Step 3: Cross multiply
517,876.18x = 776,503.20 × 202,481.62 - Step 4: Simplify right side
517,876.18x = 157,227,625,871.18 - Step 5: Solve for x
x = 157,227,625,871.18/517,876.18 - Step 6: Final answer
x = 303,600.81
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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.