Finding the Fourth Proportional to 395,173.97, 592,787.32 and 138,975.79
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Solution
The fourth proportional to 395,173.97, 592,787.32 and 138,975.79 is: 208,472.95
Step by Step Solution
- Step 1: Write the proportion equation
395,173.97 : 592,787.32 = 138,975.79 : x - Step 2: Convert to fraction form
395,173.97/592,787.32 = 138,975.79/x - Step 3: Cross multiply
395,173.97x = 592,787.32 × 138,975.79 - Step 4: Simplify right side
395,173.97x = 82,383,083,135.05 - Step 5: Solve for x
x = 82,383,083,135.05/395,173.97 - Step 6: Final answer
x = 208,472.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.