Finding the Fourth Proportional to 415,787.76, 623,192.67 and 187,817.31
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Solution
The fourth proportional to 415,787.76, 623,192.67 and 187,817.31 is: 281,505.09
Step by Step Solution
- Step 1: Write the proportion equation
415,787.76 : 623,192.67 = 187,817.31 : x - Step 2: Convert to fraction form
415,787.76/623,192.67 = 187,817.31/x - Step 3: Cross multiply
415,787.76x = 623,192.67 × 187,817.31 - Step 4: Simplify right side
415,787.76x = 117,046,370,891.12 - Step 5: Solve for x
x = 117,046,370,891.12/415,787.76 - Step 6: Final answer
x = 281,505.09
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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.