Finding the Fourth Proportional to 115,276.75, 159,081.92 and 62,284.75
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Solution
The fourth proportional to 115,276.75, 159,081.92 and 62,284.75 is: 85,952.96
Step by Step Solution
- Step 1: Write the proportion equation
115,276.75 : 159,081.92 = 62,284.75 : x - Step 2: Convert to fraction form
115,276.75/159,081.92 = 62,284.75/x - Step 3: Cross multiply
115,276.75x = 159,081.92 × 62,284.75 - Step 4: Simplify right side
115,276.75x = 9,908,377,616.72 - Step 5: Solve for x
x = 9,908,377,616.72/115,276.75 - Step 6: Final answer
x = 85,952.96
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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.