Finding the Fourth Proportional to 212,806.66, 293,674.08 and 117,311.26
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Solution
The fourth proportional to 212,806.66, 293,674.08 and 117,311.26 is: 161,890.03
Step by Step Solution
- Step 1: Write the proportion equation
212,806.66 : 293,674.08 = 117,311.26 : x - Step 2: Convert to fraction form
212,806.66/293,674.08 = 117,311.26/x - Step 3: Cross multiply
212,806.66x = 293,674.08 × 117,311.26 - Step 4: Simplify right side
212,806.66x = 34,451,276,354.14 - Step 5: Solve for x
x = 34,451,276,354.14/212,806.66 - Step 6: Final answer
x = 161,890.03
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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.