Finding the Fourth Proportional to 363,917.61, 502,199.61 and 202,769.19
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Solution
The fourth proportional to 363,917.61, 502,199.61 and 202,769.19 is: 279,817.75
Step by Step Solution
- Step 1: Write the proportion equation
363,917.61 : 502,199.61 = 202,769.19 : x - Step 2: Convert to fraction form
363,917.61/502,199.61 = 202,769.19/x - Step 3: Cross multiply
363,917.61x = 502,199.61 × 202,769.19 - Step 4: Simplify right side
363,917.61x = 101,830,608,138.02 - Step 5: Solve for x
x = 101,830,608,138.02/363,917.61 - Step 6: Final answer
x = 279,817.75
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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.