Finding the Fourth Proportional to 86,372.28, 129,552.18 and 27,224.88
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Solution
The fourth proportional to 86,372.28, 129,552.18 and 27,224.88 is: 40,835.35
Step by Step Solution
- Step 1: Write the proportion equation
86,372.28 : 129,552.18 = 27,224.88 : x - Step 2: Convert to fraction form
86,372.28/129,552.18 = 27,224.88/x - Step 3: Cross multiply
86,372.28x = 129,552.18 × 27,224.88 - Step 4: Simplify right side
86,372.28x = 3,527,042,554.24 - Step 5: Solve for x
x = 3,527,042,554.24/86,372.28 - Step 6: Final answer
x = 40,835.35
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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.