Finding the Fourth Proportional to 212,522.22, 293,279.18 and 117,028.13
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Solution
The fourth proportional to 212,522.22, 293,279.18 and 117,028.13 is: 161,497.99
Step by Step Solution
- Step 1: Write the proportion equation
212,522.22 : 293,279.18 = 117,028.13 : x - Step 2: Convert to fraction form
212,522.22/293,279.18 = 117,028.13/x - Step 3: Cross multiply
212,522.22x = 293,279.18 × 117,028.13 - Step 4: Simplify right side
212,522.22x = 34,321,911,951.80 - Step 5: Solve for x
x = 34,321,911,951.80/212,522.22 - Step 6: Final answer
x = 161,497.99
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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.