Finding the Fourth Proportional to 217,754.22, 326,678.01 and 75,603.99
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Solution
The fourth proportional to 217,754.22, 326,678.01 and 75,603.99 is: 113,422.19
Step by Step Solution
- Step 1: Write the proportion equation
217,754.22 : 326,678.01 = 75,603.99 : x - Step 2: Convert to fraction form
217,754.22/326,678.01 = 75,603.99/x - Step 3: Cross multiply
217,754.22x = 326,678.01 × 75,603.99 - Step 4: Simplify right side
217,754.22x = 24,698,161,001.26 - Step 5: Solve for x
x = 24,698,161,001.26/217,754.22 - Step 6: Final answer
x = 113,422.19
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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.