Finding the Fourth Proportional to 319,727.69, 441,229.62 and 174,540.96
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Solution
The fourth proportional to 319,727.69, 441,229.62 and 174,540.96 is: 240,869.48
Step by Step Solution
- Step 1: Write the proportion equation
319,727.69 : 441,229.62 = 174,540.96 : x - Step 2: Convert to fraction form
319,727.69/441,229.62 = 174,540.96/x - Step 3: Cross multiply
319,727.69x = 441,229.62 × 174,540.96 - Step 4: Simplify right side
319,727.69x = 77,012,641,455.24 - Step 5: Solve for x
x = 77,012,641,455.24/319,727.69 - Step 6: Final answer
x = 240,869.48
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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.