Finding the Fourth Proportional to 81,179.93, 121,748.70 and 24,240.44
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Solution
The fourth proportional to 81,179.93, 121,748.70 and 24,240.44 is: 36,354.33
Step by Step Solution
- Step 1: Write the proportion equation
81,179.93 : 121,748.70 = 24,240.44 : x - Step 2: Convert to fraction form
81,179.93/121,748.70 = 24,240.44/x - Step 3: Cross multiply
81,179.93x = 121,748.70 × 24,240.44 - Step 4: Simplify right side
81,179.93x = 2,951,242,057.43 - Step 5: Solve for x
x = 2,951,242,057.43/81,179.93 - Step 6: Final answer
x = 36,354.33
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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.