Finding the Fourth Proportional to 202,707.41, 279,706.50 and 115,493.36
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Solution
The fourth proportional to 202,707.41, 279,706.50 and 115,493.36 is: 159,363.90
Step by Step Solution
- Step 1: Write the proportion equation
202,707.41 : 279,706.50 = 115,493.36 : x - Step 2: Convert to fraction form
202,707.41/279,706.50 = 115,493.36/x - Step 3: Cross multiply
202,707.41x = 279,706.50 × 115,493.36 - Step 4: Simplify right side
202,707.41x = 32,304,242,100.31 - Step 5: Solve for x
x = 32,304,242,100.31/202,707.41 - Step 6: Final answer
x = 159,363.90
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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.