Finding the Fourth Proportional to 363,807.48, 502,021.76 and 202,659.08
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Solution
The fourth proportional to 363,807.48, 502,021.76 and 202,659.08 is: 279,651.38
Step by Step Solution
- Step 1: Write the proportion equation
363,807.48 : 502,021.76 = 202,659.08 : x - Step 2: Convert to fraction form
363,807.48/502,021.76 = 202,659.08/x - Step 3: Cross multiply
363,807.48x = 502,021.76 × 202,659.08 - Step 4: Simplify right side
363,807.48x = 101,739,264,498.18 - Step 5: Solve for x
x = 101,739,264,498.18/363,807.48 - Step 6: Final answer
x = 279,651.38
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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.