Finding the Fourth Proportional to 857,844.62, 1,286,771.79 and 226,751.75
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Solution
The fourth proportional to 857,844.62, 1,286,771.79 and 226,751.75 is: 340,128.91
Step by Step Solution
- Step 1: Write the proportion equation
857,844.62 : 1,286,771.79 = 226,751.75 : x - Step 2: Convert to fraction form
857,844.62/1,286,771.79 = 226,751.75/x - Step 3: Cross multiply
857,844.62x = 1,286,771.79 × 226,751.75 - Step 4: Simplify right side
857,844.62x = 291,777,755,233.13 - Step 5: Solve for x
x = 291,777,755,233.13/857,844.62 - Step 6: Final answer
x = 340,128.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.