Finding the Fourth Proportional to 363,920.48, 502,203.56 and 202,772.06
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Solution
The fourth proportional to 363,920.48, 502,203.56 and 202,772.06 is: 279,821.71
Step by Step Solution
- Step 1: Write the proportion equation
363,920.48 : 502,203.56 = 202,772.06 : x - Step 2: Convert to fraction form
363,920.48/502,203.56 = 202,772.06/x - Step 3: Cross multiply
363,920.48x = 502,203.56 × 202,772.06 - Step 4: Simplify right side
363,920.48x = 101,832,849,651.96 - Step 5: Solve for x
x = 101,832,849,651.96/363,920.48 - Step 6: Final answer
x = 279,821.71
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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.