Finding the Fourth Proportional to 217,514.97, 326,233.58 and 138,394.17
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Solution
The fourth proportional to 217,514.97, 326,233.58 and 138,394.17 is: 207,566.52
Step by Step Solution
- Step 1: Write the proportion equation
217,514.97 : 326,233.58 = 138,394.17 : x - Step 2: Convert to fraction form
217,514.97/326,233.58 = 138,394.17/x - Step 3: Cross multiply
217,514.97x = 326,233.58 × 138,394.17 - Step 4: Simplify right side
217,514.97x = 45,148,824,838.26 - Step 5: Solve for x
x = 45,148,824,838.26/217,514.97 - Step 6: Final answer
x = 207,566.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.