Finding the Fourth Proportional to 202,458.68, 279,392.97 and 117,581.21
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Solution
The fourth proportional to 202,458.68, 279,392.97 and 117,581.21 is: 162,262.06
Step by Step Solution
- Step 1: Write the proportion equation
202,458.68 : 279,392.97 = 117,581.21 : x - Step 2: Convert to fraction form
202,458.68/279,392.97 = 117,581.21/x - Step 3: Cross multiply
202,458.68x = 279,392.97 × 117,581.21 - Step 4: Simplify right side
202,458.68x = 32,851,363,478.09 - Step 5: Solve for x
x = 32,851,363,478.09/202,458.68 - Step 6: Final answer
x = 162,262.06
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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.