Finding the Fourth Proportional to 363,963.54, 502,268.32 and 202,817.09
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Solution
The fourth proportional to 363,963.54, 502,268.32 and 202,817.09 is: 279,886.82
Step by Step Solution
- Step 1: Write the proportion equation
363,963.54 : 502,268.32 = 202,817.09 : x - Step 2: Convert to fraction form
363,963.54/502,268.32 = 202,817.09/x - Step 3: Cross multiply
363,963.54x = 502,268.32 × 202,817.09 - Step 4: Simplify right side
363,963.54x = 101,868,599,061.59 - Step 5: Solve for x
x = 101,868,599,061.59/363,963.54 - Step 6: Final answer
x = 279,886.82
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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.