Finding the Fourth Proportional to 165,620.70, 248,431.05 and 146,593.80
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Solution
The fourth proportional to 165,620.70, 248,431.05 and 146,593.80 is: 219,890.70
Step by Step Solution
- Step 1: Write the proportion equation
165,620.70 : 248,431.05 = 146,593.80 : x - Step 2: Convert to fraction form
165,620.70/248,431.05 = 146,593.80/x - Step 3: Cross multiply
165,620.70x = 248,431.05 × 146,593.80 - Step 4: Simplify right side
165,620.70x = 36,418,451,657.49 - Step 5: Solve for x
x = 36,418,451,657.49/165,620.70 - Step 6: Final answer
x = 219,890.70
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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.