Finding the Fourth Proportional to 721,468.08, 1,082,349.72 and 248,091.96
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Solution
The fourth proportional to 721,468.08, 1,082,349.72 and 248,091.96 is: 372,188.70
Step by Step Solution
- Step 1: Write the proportion equation
721,468.08 : 1,082,349.72 = 248,091.96 : x - Step 2: Convert to fraction form
721,468.08/1,082,349.72 = 248,091.96/x - Step 3: Cross multiply
721,468.08x = 1,082,349.72 × 248,091.96 - Step 4: Simplify right side
721,468.08x = 268,522,263,440.25 - Step 5: Solve for x
x = 268,522,263,440.25/721,468.08 - Step 6: Final answer
x = 372,188.70
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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.