Finding the Fourth Proportional to 215,377.96, 323,089.03 and 82,370.09
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Solution
The fourth proportional to 215,377.96, 323,089.03 and 82,370.09 is: 123,563.58
Step by Step Solution
- Step 1: Write the proportion equation
215,377.96 : 323,089.03 = 82,370.09 : x - Step 2: Convert to fraction form
215,377.96/323,089.03 = 82,370.09/x - Step 3: Cross multiply
215,377.96x = 323,089.03 × 82,370.09 - Step 4: Simplify right side
215,377.96x = 26,612,870,863.67 - Step 5: Solve for x
x = 26,612,870,863.67/215,377.96 - Step 6: Final answer
x = 123,563.58
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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.