Finding the Fourth Proportional to 118,474.24, 177,703.92 and 39,581.68
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Solution
The fourth proportional to 118,474.24, 177,703.92 and 39,581.68 is: 59,370.03
Step by Step Solution
- Step 1: Write the proportion equation
118,474.24 : 177,703.92 = 39,581.68 : x - Step 2: Convert to fraction form
118,474.24/177,703.92 = 39,581.68/x - Step 3: Cross multiply
118,474.24x = 177,703.92 × 39,581.68 - Step 4: Simplify right side
118,474.24x = 7,033,819,696.19 - Step 5: Solve for x
x = 7,033,819,696.19/118,474.24 - Step 6: Final answer
x = 59,370.03
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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.