Finding the Fourth Proportional to 141,717.96, 212,563.98 and 43,221.96
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Solution
The fourth proportional to 141,717.96, 212,563.98 and 43,221.96 is: 64,828.99
Step by Step Solution
- Step 1: Write the proportion equation
141,717.96 : 212,563.98 = 43,221.96 : x - Step 2: Convert to fraction form
141,717.96/212,563.98 = 43,221.96/x - Step 3: Cross multiply
141,717.96x = 212,563.98 × 43,221.96 - Step 4: Simplify right side
141,717.96x = 9,187,431,841.00 - Step 5: Solve for x
x = 9,187,431,841.00/141,717.96 - Step 6: Final answer
x = 64,828.99
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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.