Finding the Fourth Proportional to 691,078.99, 1,036,670.96 and 235,528.64
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Solution
The fourth proportional to 691,078.99, 1,036,670.96 and 235,528.64 is: 353,310.84
Step by Step Solution
- Step 1: Write the proportion equation
691,078.99 : 1,036,670.96 = 235,528.64 : x - Step 2: Convert to fraction form
691,078.99/1,036,670.96 = 235,528.64/x - Step 3: Cross multiply
691,078.99x = 1,036,670.96 × 235,528.64 - Step 4: Simplify right side
691,078.99x = 244,165,701,336.29 - Step 5: Solve for x
x = 244,165,701,336.29/691,078.99 - Step 6: Final answer
x = 353,310.84
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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.