Finding the Fourth Proportional to 363,920.61, 502,203.75 and 202,772.19
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Solution
The fourth proportional to 363,920.61, 502,203.75 and 202,772.19 is: 279,821.89
Step by Step Solution
- Step 1: Write the proportion equation
363,920.61 : 502,203.75 = 202,772.19 : x - Step 2: Convert to fraction form
363,920.61/502,203.75 = 202,772.19/x - Step 3: Cross multiply
363,920.61x = 502,203.75 × 202,772.19 - Step 4: Simplify right side
363,920.61x = 101,832,954,213.71 - Step 5: Solve for x
x = 101,832,954,213.71/363,920.61 - Step 6: Final answer
x = 279,821.89
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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.