Finding the Fourth Proportional to 271,452.98, 407,182.60 and 81,914.99
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Solution
The fourth proportional to 271,452.98, 407,182.60 and 81,914.99 is: 122,873.43
Step by Step Solution
- Step 1: Write the proportion equation
271,452.98 : 407,182.60 = 81,914.99 : x - Step 2: Convert to fraction form
271,452.98/407,182.60 = 81,914.99/x - Step 3: Cross multiply
271,452.98x = 407,182.60 × 81,914.99 - Step 4: Simplify right side
271,452.98x = 33,354,357,590.71 - Step 5: Solve for x
x = 33,354,357,590.71/271,452.98 - Step 6: Final answer
x = 122,873.43
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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.