Finding the Fourth Proportional to 118,234.08, 177,282.85 and 80,839.44
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Solution
The fourth proportional to 118,234.08, 177,282.85 and 80,839.44 is: 121,212.48
Step by Step Solution
- Step 1: Write the proportion equation
118,234.08 : 177,282.85 = 80,839.44 : x - Step 2: Convert to fraction form
118,234.08/177,282.85 = 80,839.44/x - Step 3: Cross multiply
118,234.08x = 177,282.85 × 80,839.44 - Step 4: Simplify right side
118,234.08x = 14,331,445,227.09 - Step 5: Solve for x
x = 14,331,445,227.09/118,234.08 - Step 6: Final answer
x = 121,212.48
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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.