Finding the Fourth Proportional to 202,694.35, 279,721.62 and 117,811.42
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Solution
The fourth proportional to 202,694.35, 279,721.62 and 117,811.42 is: 162,581.75
Step by Step Solution
- Step 1: Write the proportion equation
202,694.35 : 279,721.62 = 117,811.42 : x - Step 2: Convert to fraction form
202,694.35/279,721.62 = 117,811.42/x - Step 3: Cross multiply
202,694.35x = 279,721.62 × 117,811.42 - Step 4: Simplify right side
202,694.35x = 32,954,401,256.90 - Step 5: Solve for x
x = 32,954,401,256.90/202,694.35 - Step 6: Final answer
x = 162,581.75
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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.