Finding the Fourth Proportional to 212,626.98, 293,425.92 and 117,133.38
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Solution
The fourth proportional to 212,626.98, 293,425.92 and 117,133.38 is: 161,644.44
Step by Step Solution
- Step 1: Write the proportion equation
212,626.98 : 293,425.92 = 117,133.38 : x - Step 2: Convert to fraction form
212,626.98/293,425.92 = 117,133.38/x - Step 3: Cross multiply
212,626.98x = 293,425.92 × 117,133.38 - Step 4: Simplify right side
212,626.98x = 34,369,969,789.21 - Step 5: Solve for x
x = 34,369,969,789.21/212,626.98 - Step 6: Final answer
x = 161,644.44
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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.