Finding the Fourth Proportional to 202,381.03, 279,310.43 and 117,498.09
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Solution
The fourth proportional to 202,381.03, 279,310.43 and 117,498.09 is: 162,161.65
Step by Step Solution
- Step 1: Write the proportion equation
202,381.03 : 279,310.43 = 117,498.09 : x - Step 2: Convert to fraction form
202,381.03/279,310.43 = 117,498.09/x - Step 3: Cross multiply
202,381.03x = 279,310.43 × 117,498.09 - Step 4: Simplify right side
202,381.03x = 32,818,442,722.31 - Step 5: Solve for x
x = 32,818,442,722.31/202,381.03 - Step 6: Final answer
x = 162,161.65
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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.