Finding the Fourth Proportional to 212,581.51, 293,375.79 and 117,088.18
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Solution
The fourth proportional to 212,581.51, 293,375.79 and 117,088.18 is: 161,589.02
Step by Step Solution
- Step 1: Write the proportion equation
212,581.51 : 293,375.79 = 117,088.18 : x - Step 2: Convert to fraction form
212,581.51/293,375.79 = 117,088.18/x - Step 3: Cross multiply
212,581.51x = 293,375.79 × 117,088.18 - Step 4: Simplify right side
212,581.51x = 34,350,837,307.16 - Step 5: Solve for x
x = 34,350,837,307.16/212,581.51 - Step 6: Final answer
x = 161,589.02
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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.