Finding the Fourth Proportional to 97,728.62, 146,624.07 and 43,684.97
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Solution
The fourth proportional to 97,728.62, 146,624.07 and 43,684.97 is: 65,541.37
Step by Step Solution
- Step 1: Write the proportion equation
97,728.62 : 146,624.07 = 43,684.97 : x - Step 2: Convert to fraction form
97,728.62/146,624.07 = 43,684.97/x - Step 3: Cross multiply
97,728.62x = 146,624.07 × 43,684.97 - Step 4: Simplify right side
97,728.62x = 6,405,267,366.11 - Step 5: Solve for x
x = 6,405,267,366.11/97,728.62 - Step 6: Final answer
x = 65,541.37
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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.