Finding the Fourth Proportional to 363,889.80, 502,204.86 and 202,771.08
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Solution
The fourth proportional to 363,889.80, 502,204.86 and 202,771.08 is: 279,844.67
Step by Step Solution
- Step 1: Write the proportion equation
363,889.80 : 502,204.86 = 202,771.08 : x - Step 2: Convert to fraction form
363,889.80/502,204.86 = 202,771.08/x - Step 3: Cross multiply
363,889.80x = 502,204.86 × 202,771.08 - Step 4: Simplify right side
363,889.80x = 101,832,621,843.45 - Step 5: Solve for x
x = 101,832,621,843.45/363,889.80 - Step 6: Final answer
x = 279,844.67
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1.5x scale
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.