Finding the Fourth Proportional to 165,063.62, 247,687.43 and 89,160.63
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Solution
The fourth proportional to 165,063.62, 247,687.43 and 89,160.63 is: 133,790.64
Step by Step Solution
- Step 1: Write the proportion equation
165,063.62 : 247,687.43 = 89,160.63 : x - Step 2: Convert to fraction form
165,063.62/247,687.43 = 89,160.63/x - Step 3: Cross multiply
165,063.62x = 247,687.43 × 89,160.63 - Step 4: Simplify right side
165,063.62x = 22,083,966,856.08 - Step 5: Solve for x
x = 22,083,966,856.08/165,063.62 - Step 6: Final answer
x = 133,790.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.