Finding the Fourth Proportional to 202,177.60, 303,266.40 and 199,553.20
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Solution
The fourth proportional to 202,177.60, 303,266.40 and 199,553.20 is: 299,329.80
Step by Step Solution
- Step 1: Write the proportion equation
202,177.60 : 303,266.40 = 199,553.20 : x - Step 2: Convert to fraction form
202,177.60/303,266.40 = 199,553.20/x - Step 3: Cross multiply
202,177.60x = 303,266.40 × 199,553.20 - Step 4: Simplify right side
202,177.60x = 60,517,780,572.48 - Step 5: Solve for x
x = 60,517,780,572.48/202,177.60 - Step 6: Final answer
x = 299,329.80
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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.