Finding the Fourth Proportional to 202,707.92, 279,707.18 and 115,493.88
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Solution
The fourth proportional to 202,707.92, 279,707.18 and 115,493.88 is: 159,364.60
Step by Step Solution
- Step 1: Write the proportion equation
202,707.92 : 279,707.18 = 115,493.88 : x - Step 2: Convert to fraction form
202,707.92/279,707.18 = 115,493.88/x - Step 3: Cross multiply
202,707.92x = 279,707.18 × 115,493.88 - Step 4: Simplify right side
202,707.92x = 32,304,467,482.06 - Step 5: Solve for x
x = 32,304,467,482.06/202,707.92 - Step 6: Final answer
x = 159,364.60
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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.