Finding the Fourth Proportional to 121,489.80, 182,234.61 and 65,252.49
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Solution
The fourth proportional to 121,489.80, 182,234.61 and 65,252.49 is: 97,878.69
Step by Step Solution
- Step 1: Write the proportion equation
121,489.80 : 182,234.61 = 65,252.49 : x - Step 2: Convert to fraction form
121,489.80/182,234.61 = 65,252.49/x - Step 3: Cross multiply
121,489.80x = 182,234.61 × 65,252.49 - Step 4: Simplify right side
121,489.80x = 11,891,262,066.68 - Step 5: Solve for x
x = 11,891,262,066.68/121,489.80 - Step 6: Final answer
x = 97,878.69
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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.