Finding the Fourth Proportional to 212,801.97, 293,668.76 and 117,312.08
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Solution
The fourth proportional to 212,801.97, 293,668.76 and 117,312.08 is: 161,891.79
Step by Step Solution
- Step 1: Write the proportion equation
212,801.97 : 293,668.76 = 117,312.08 : x - Step 2: Convert to fraction form
212,801.97/293,668.76 = 117,312.08/x - Step 3: Cross multiply
212,801.97x = 293,668.76 × 117,312.08 - Step 4: Simplify right side
212,801.97x = 34,450,891,011.72 - Step 5: Solve for x
x = 34,450,891,011.72/212,801.97 - Step 6: Final answer
x = 161,891.79
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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.