Finding the Fourth Proportional to 173,121.48, 258,998.99 and 131,122.58
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Solution
The fourth proportional to 173,121.48, 258,998.99 and 131,122.58 is: 196,166.38
Step by Step Solution
- Step 1: Write the proportion equation
173,121.48 : 258,998.99 = 131,122.58 : x - Step 2: Convert to fraction form
173,121.48/258,998.99 = 131,122.58/x - Step 3: Cross multiply
173,121.48x = 258,998.99 × 131,122.58 - Step 4: Simplify right side
173,121.48x = 33,960,613,835.59 - Step 5: Solve for x
x = 33,960,613,835.59/173,121.48 - Step 6: Final answer
x = 196,166.38
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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.