Finding the Fourth Proportional to 204,186.16, 281,783.34 and 113,545.95
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Solution
The fourth proportional to 204,186.16, 281,783.34 and 113,545.95 is: 156,696.99
Step by Step Solution
- Step 1: Write the proportion equation
204,186.16 : 281,783.34 = 113,545.95 : x - Step 2: Convert to fraction form
204,186.16/281,783.34 = 113,545.95/x - Step 3: Cross multiply
204,186.16x = 281,783.34 × 113,545.95 - Step 4: Simplify right side
204,186.16x = 31,995,356,755.81 - Step 5: Solve for x
x = 31,995,356,755.81/204,186.16 - Step 6: Final answer
x = 156,696.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.