Finding the Fourth Proportional to 167,784.96, 231,544.28 and 91,304.68
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Solution
The fourth proportional to 167,784.96, 231,544.28 and 91,304.68 is: 126,001.02
Step by Step Solution
- Step 1: Write the proportion equation
167,784.96 : 231,544.28 = 91,304.68 : x - Step 2: Convert to fraction form
167,784.96/231,544.28 = 91,304.68/x - Step 3: Cross multiply
167,784.96x = 231,544.28 × 91,304.68 - Step 4: Simplify right side
167,784.96x = 21,141,076,391.23 - Step 5: Solve for x
x = 21,141,076,391.23/167,784.96 - Step 6: Final answer
x = 126,001.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.