Finding the Fourth Proportional to 118,489.16, 177,728.28 and 29,740.70
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Solution
The fourth proportional to 118,489.16, 177,728.28 and 29,740.70 is: 44,609.68
Step by Step Solution
- Step 1: Write the proportion equation
118,489.16 : 177,728.28 = 29,740.70 : x - Step 2: Convert to fraction form
118,489.16/177,728.28 = 29,740.70/x - Step 3: Cross multiply
118,489.16x = 177,728.28 × 29,740.70 - Step 4: Simplify right side
118,489.16x = 5,285,763,789.79 - Step 5: Solve for x
x = 5,285,763,789.79/118,489.16 - Step 6: Final answer
x = 44,609.68
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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.