Finding the Fourth Proportional to 192,965.91, 266,292.95 and 117,514.41
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Solution
The fourth proportional to 192,965.91, 266,292.95 and 117,514.41 is: 162,169.88
Step by Step Solution
- Step 1: Write the proportion equation
192,965.91 : 266,292.95 = 117,514.41 : x - Step 2: Convert to fraction form
192,965.91/266,292.95 = 117,514.41/x - Step 3: Cross multiply
192,965.91x = 266,292.95 × 117,514.41 - Step 4: Simplify right side
192,965.91x = 31,293,257,981.26 - Step 5: Solve for x
x = 31,293,257,981.26/192,965.91 - Step 6: Final answer
x = 162,169.88
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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.