Finding the Fourth Proportional to 193,390.97, 266,884.13 and 108,514.31
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Solution
The fourth proportional to 193,390.97, 266,884.13 and 108,514.31 is: 149,752.33
Step by Step Solution
- Step 1: Write the proportion equation
193,390.97 : 266,884.13 = 108,514.31 : x - Step 2: Convert to fraction form
193,390.97/266,884.13 = 108,514.31/x - Step 3: Cross multiply
193,390.97x = 266,884.13 × 108,514.31 - Step 4: Simplify right side
193,390.97x = 28,960,747,358.05 - Step 5: Solve for x
x = 28,960,747,358.05/193,390.97 - Step 6: Final answer
x = 149,752.33
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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.