Finding the Fourth Proportional to 202,843.77, 279,921.99 and 112,192.62
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Solution
The fourth proportional to 202,843.77, 279,921.99 and 112,192.62 is: 154,824.48
Step by Step Solution
- Step 1: Write the proportion equation
202,843.77 : 279,921.99 = 112,192.62 : x - Step 2: Convert to fraction form
202,843.77/279,921.99 = 112,192.62/x - Step 3: Cross multiply
202,843.77x = 279,921.99 × 112,192.62 - Step 4: Simplify right side
202,843.77x = 31,405,181,453.71 - Step 5: Solve for x
x = 31,405,181,453.71/202,843.77 - Step 6: Final answer
x = 154,824.48
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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.