Finding the Fourth Proportional to 118,616.28, 177,990.11 and 48,544.80
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Solution
The fourth proportional to 118,616.28, 177,990.11 and 48,544.80 is: 72,844.08
Step by Step Solution
- Step 1: Write the proportion equation
118,616.28 : 177,990.11 = 48,544.80 : x - Step 2: Convert to fraction form
118,616.28/177,990.11 = 48,544.80/x - Step 3: Cross multiply
118,616.28x = 177,990.11 × 48,544.80 - Step 4: Simplify right side
118,616.28x = 8,640,494,291.93 - Step 5: Solve for x
x = 8,640,494,291.93/118,616.28 - Step 6: Final answer
x = 72,844.08
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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.