Finding the Fourth Proportional to 176,755.92, 243,639.36 and 119,376.78
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Solution
The fourth proportional to 176,755.92, 243,639.36 and 119,376.78 is: 164,548.28
Step by Step Solution
- Step 1: Write the proportion equation
176,755.92 : 243,639.36 = 119,376.78 : x - Step 2: Convert to fraction form
176,755.92/243,639.36 = 119,376.78/x - Step 3: Cross multiply
176,755.92x = 243,639.36 × 119,376.78 - Step 4: Simplify right side
176,755.92x = 29,084,882,278.06 - Step 5: Solve for x
x = 29,084,882,278.06/176,755.92 - Step 6: Final answer
x = 164,548.28
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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.