Finding the Fourth Proportional to 118,388.97, 177,592.57 and 39,503.07
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Solution
The fourth proportional to 118,388.97, 177,592.57 and 39,503.07 is: 59,257.65
Step by Step Solution
- Step 1: Write the proportion equation
118,388.97 : 177,592.57 = 39,503.07 : x - Step 2: Convert to fraction form
118,388.97/177,592.57 = 39,503.07/x - Step 3: Cross multiply
118,388.97x = 177,592.57 × 39,503.07 - Step 4: Simplify right side
118,388.97x = 7,015,451,625.43 - Step 5: Solve for x
x = 7,015,451,625.43/118,388.97 - Step 6: Final answer
x = 59,257.65
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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.