Finding the Fourth Proportional to 212,863.26, 293,753.34 and 117,373.44
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Solution
The fourth proportional to 212,863.26, 293,753.34 and 117,373.44 is: 161,976.47
Step by Step Solution
- Step 1: Write the proportion equation
212,863.26 : 293,753.34 = 117,373.44 : x - Step 2: Convert to fraction form
212,863.26/293,753.34 = 117,373.44/x - Step 3: Cross multiply
212,863.26x = 293,753.34 × 117,373.44 - Step 4: Simplify right side
212,863.26x = 34,478,840,027.29 - Step 5: Solve for x
x = 34,478,840,027.29/212,863.26 - Step 6: Final answer
x = 161,976.47
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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.