Finding the Fourth Proportional to 215,950.20, 323,828.10 and 97,560.60
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Solution
The fourth proportional to 215,950.20, 323,828.10 and 97,560.60 is: 146,296.99
Step by Step Solution
- Step 1: Write the proportion equation
215,950.20 : 323,828.10 = 97,560.60 : x - Step 2: Convert to fraction form
215,950.20/323,828.10 = 97,560.60/x - Step 3: Cross multiply
215,950.20x = 323,828.10 × 97,560.60 - Step 4: Simplify right side
215,950.20x = 31,592,863,732.86 - Step 5: Solve for x
x = 31,592,863,732.86/215,950.20 - Step 6: Final answer
x = 146,296.99
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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.