Finding the Fourth Proportional to 118,552.46, 177,828.84 and 48,431.79
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Solution
The fourth proportional to 118,552.46, 177,828.84 and 48,431.79 is: 72,647.75
Step by Step Solution
- Step 1: Write the proportion equation
118,552.46 : 177,828.84 = 48,431.79 : x - Step 2: Convert to fraction form
118,552.46/177,828.84 = 48,431.79/x - Step 3: Cross multiply
118,552.46x = 177,828.84 × 48,431.79 - Step 4: Simplify right side
118,552.46x = 8,612,569,034.82 - Step 5: Solve for x
x = 8,612,569,034.82/118,552.46 - Step 6: Final answer
x = 72,647.75
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1.5x scale
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.