Finding the Fourth Proportional to 167,816.97, 251,490.33 and 83,497.20
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Solution
The fourth proportional to 167,816.97, 251,490.33 and 83,497.20 is: 125,128.81
Step by Step Solution
- Step 1: Write the proportion equation
167,816.97 : 251,490.33 = 83,497.20 : x - Step 2: Convert to fraction form
167,816.97/251,490.33 = 83,497.20/x - Step 3: Cross multiply
167,816.97x = 251,490.33 × 83,497.20 - Step 4: Simplify right side
167,816.97x = 20,998,738,382.08 - Step 5: Solve for x
x = 20,998,738,382.08/167,816.97 - Step 6: Final answer
x = 125,128.81
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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.