Finding the Fourth Proportional to 221,976.66, 332,861.47 and 115,331.95
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Solution
The fourth proportional to 221,976.66, 332,861.47 and 115,331.95 is: 172,944.14
Step by Step Solution
- Step 1: Write the proportion equation
221,976.66 : 332,861.47 = 115,331.95 : x - Step 2: Convert to fraction form
221,976.66/332,861.47 = 115,331.95/x - Step 3: Cross multiply
221,976.66x = 332,861.47 × 115,331.95 - Step 4: Simplify right side
221,976.66x = 38,389,561,319.11 - Step 5: Solve for x
x = 38,389,561,319.11/221,976.66 - Step 6: Final answer
x = 172,944.14
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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.