Finding the Fourth Proportional to 202,322.24, 279,204.71 and 111,678.23
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Solution
The fourth proportional to 202,322.24, 279,204.71 and 111,678.23 is: 154,115.96
Step by Step Solution
- Step 1: Write the proportion equation
202,322.24 : 279,204.71 = 111,678.23 : x - Step 2: Convert to fraction form
202,322.24/279,204.71 = 111,678.23/x - Step 3: Cross multiply
202,322.24x = 279,204.71 × 111,678.23 - Step 4: Simplify right side
202,322.24x = 31,181,086,564.06 - Step 5: Solve for x
x = 31,181,086,564.06/202,322.24 - Step 6: Final answer
x = 154,115.96
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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.