Finding the Fourth Proportional to 194,073.03, 266,389.90 and 172,377.99
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Solution
The fourth proportional to 194,073.03, 266,389.90 and 172,377.99 is: 236,610.70
Step by Step Solution
- Step 1: Write the proportion equation
194,073.03 : 266,389.90 = 172,377.99 : x - Step 2: Convert to fraction form
194,073.03/266,389.90 = 172,377.99/x - Step 3: Cross multiply
194,073.03x = 266,389.90 × 172,377.99 - Step 4: Simplify right side
194,073.03x = 45,919,755,087.36 - Step 5: Solve for x
x = 45,919,755,087.36/194,073.03 - Step 6: Final answer
x = 236,610.70
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.