Finding the Fourth Proportional to 162,804.80, 244,207.20 and 99,819.20
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Solution
The fourth proportional to 162,804.80, 244,207.20 and 99,819.20 is: 149,728.80
Step by Step Solution
- Step 1: Write the proportion equation
162,804.80 : 244,207.20 = 99,819.20 : x - Step 2: Convert to fraction form
162,804.80/244,207.20 = 99,819.20/x - Step 3: Cross multiply
162,804.80x = 244,207.20 × 99,819.20 - Step 4: Simplify right side
162,804.80x = 24,376,567,338.24 - Step 5: Solve for x
x = 24,376,567,338.24/162,804.80 - Step 6: Final answer
x = 149,728.80
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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.