Finding the Fourth Proportional to 178,787.43, 246,623.51 and 107,125.94
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Solution
The fourth proportional to 178,787.43, 246,623.51 and 107,125.94 is: 147,772.00
Step by Step Solution
- Step 1: Write the proportion equation
178,787.43 : 246,623.51 = 107,125.94 : x - Step 2: Convert to fraction form
178,787.43/246,623.51 = 107,125.94/x - Step 3: Cross multiply
178,787.43x = 246,623.51 × 107,125.94 - Step 4: Simplify right side
178,787.43x = 26,419,776,219.22 - Step 5: Solve for x
x = 26,419,776,219.22/178,787.43 - Step 6: Final answer
x = 147,772.00
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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.