Finding the Fourth Proportional to 202,381.08, 279,284.58 and 111,742.68
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Solution
The fourth proportional to 202,381.08, 279,284.58 and 111,742.68 is: 154,204.17
Step by Step Solution
- Step 1: Write the proportion equation
202,381.08 : 279,284.58 = 111,742.68 : x - Step 2: Convert to fraction form
202,381.08/279,284.58 = 111,742.68/x - Step 3: Cross multiply
202,381.08x = 279,284.58 × 111,742.68 - Step 4: Simplify right side
202,381.08x = 31,208,007,451.87 - Step 5: Solve for x
x = 31,208,007,451.87/202,381.08 - Step 6: Final answer
x = 154,204.17
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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.