Finding the Fourth Proportional to 271,653.20, 407,518.62 and 84,679.28
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Solution
The fourth proportional to 271,653.20, 407,518.62 and 84,679.28 is: 127,031.02
Step by Step Solution
- Step 1: Write the proportion equation
271,653.20 : 407,518.62 = 84,679.28 : x - Step 2: Convert to fraction form
271,653.20/407,518.62 = 84,679.28/x - Step 3: Cross multiply
271,653.20x = 407,518.62 × 84,679.28 - Step 4: Simplify right side
271,653.20x = 34,508,383,328.19 - Step 5: Solve for x
x = 34,508,383,328.19/271,653.20 - Step 6: Final answer
x = 127,031.02
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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.