Finding the Fourth Proportional to 721,466.08, 1,082,346.72 and 248,089.96
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Solution
The fourth proportional to 721,466.08, 1,082,346.72 and 248,089.96 is: 372,185.70
Step by Step Solution
- Step 1: Write the proportion equation
721,466.08 : 1,082,346.72 = 248,089.96 : x - Step 2: Convert to fraction form
721,466.08/1,082,346.72 = 248,089.96/x - Step 3: Cross multiply
721,466.08x = 1,082,346.72 × 248,089.96 - Step 4: Simplify right side
721,466.08x = 268,519,354,470.93 - Step 5: Solve for x
x = 268,519,354,470.93/721,466.08 - Step 6: Final answer
x = 372,185.70
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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.