Finding the Fourth Proportional to 167,433.08, 231,056.70 and 91,979.96
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Solution
The fourth proportional to 167,433.08, 231,056.70 and 91,979.96 is: 126,931.82
Step by Step Solution
- Step 1: Write the proportion equation
167,433.08 : 231,056.70 = 91,979.96 : x - Step 2: Convert to fraction form
167,433.08/231,056.70 = 91,979.96/x - Step 3: Cross multiply
167,433.08x = 231,056.70 × 91,979.96 - Step 4: Simplify right side
167,433.08x = 21,252,586,023.73 - Step 5: Solve for x
x = 21,252,586,023.73/167,433.08 - Step 6: Final answer
x = 126,931.82
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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.