Finding the Fourth Proportional to 319,704.65, 441,203.11 and 174,519.05
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Solution
The fourth proportional to 319,704.65, 441,203.11 and 174,519.05 is: 240,842.12
Step by Step Solution
- Step 1: Write the proportion equation
319,704.65 : 441,203.11 = 174,519.05 : x - Step 2: Convert to fraction form
319,704.65/441,203.11 = 174,519.05/x - Step 3: Cross multiply
319,704.65x = 441,203.11 × 174,519.05 - Step 4: Simplify right side
319,704.65x = 76,998,344,971.93 - Step 5: Solve for x
x = 76,998,344,971.93/319,704.65 - Step 6: Final answer
x = 240,842.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.