Finding the Fourth Proportional to 212,954.97, 293,872.71 and 117,459.62
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Solution
The fourth proportional to 212,954.97, 293,872.71 and 117,459.62 is: 162,091.44
Step by Step Solution
- Step 1: Write the proportion equation
212,954.97 : 293,872.71 = 117,459.62 : x - Step 2: Convert to fraction form
212,954.97/293,872.71 = 117,459.62/x - Step 3: Cross multiply
212,954.97x = 293,872.71 × 117,459.62 - Step 4: Simplify right side
212,954.97x = 34,518,176,844.97 - Step 5: Solve for x
x = 34,518,176,844.97/212,954.97 - Step 6: Final answer
x = 162,091.44
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1.5x scale
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.