Finding the Fourth Proportional to 118,474.75, 177,740.21 and 35,370.91
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Solution
The fourth proportional to 118,474.75, 177,740.21 and 35,370.91 is: 53,064.75
Step by Step Solution
- Step 1: Write the proportion equation
118,474.75 : 177,740.21 = 35,370.91 : x - Step 2: Convert to fraction form
118,474.75/177,740.21 = 35,370.91/x - Step 3: Cross multiply
118,474.75x = 177,740.21 × 35,370.91 - Step 4: Simplify right side
118,474.75x = 6,286,832,971.29 - Step 5: Solve for x
x = 6,286,832,971.29/118,474.75 - Step 6: Final answer
x = 53,064.75
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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.