Finding the Fourth Proportional to 215,353.62, 322,674.99 and 125,143.11
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Solution
The fourth proportional to 215,353.62, 322,674.99 and 125,143.11 is: 187,508.12
Step by Step Solution
- Step 1: Write the proportion equation
215,353.62 : 322,674.99 = 125,143.11 : x - Step 2: Convert to fraction form
215,353.62/322,674.99 = 125,143.11/x - Step 3: Cross multiply
215,353.62x = 322,674.99 × 125,143.11 - Step 4: Simplify right side
215,353.62x = 40,380,551,767.82 - Step 5: Solve for x
x = 40,380,551,767.82/215,353.62 - Step 6: Final answer
x = 187,508.12
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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.