Finding the Fourth Proportional to 179,487.62, 247,694.60 and 98,918.09
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Solution
The fourth proportional to 179,487.62, 247,694.60 and 98,918.09 is: 136,507.89
Step by Step Solution
- Step 1: Write the proportion equation
179,487.62 : 247,694.60 = 98,918.09 : x - Step 2: Convert to fraction form
179,487.62/247,694.60 = 98,918.09/x - Step 3: Cross multiply
179,487.62x = 247,694.60 × 98,918.09 - Step 4: Simplify right side
179,487.62x = 24,501,476,240.72 - Step 5: Solve for x
x = 24,501,476,240.72/179,487.62 - Step 6: Final answer
x = 136,507.89
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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.