Finding the Fourth Proportional to 164,691.74, 247,044.90 and 80,351.84
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Solution
The fourth proportional to 164,691.74, 247,044.90 and 80,351.84 is: 120,531.32
Step by Step Solution
- Step 1: Write the proportion equation
164,691.74 : 247,044.90 = 80,351.84 : x - Step 2: Convert to fraction form
164,691.74/247,044.90 = 80,351.84/x - Step 3: Cross multiply
164,691.74x = 247,044.90 × 80,351.84 - Step 4: Simplify right side
164,691.74x = 19,850,512,277.62 - Step 5: Solve for x
x = 19,850,512,277.62/164,691.74 - Step 6: Final answer
x = 120,531.32
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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.