Finding the Fourth Proportional to 491,283.17, 677,915.93 and 276,418.63
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Solution
The fourth proportional to 491,283.17, 677,915.93 and 276,418.63 is: 381,426.84
Step by Step Solution
- Step 1: Write the proportion equation
491,283.17 : 677,915.93 = 276,418.63 : x - Step 2: Convert to fraction form
491,283.17/677,915.93 = 276,418.63/x - Step 3: Cross multiply
491,283.17x = 677,915.93 × 276,418.63 - Step 4: Simplify right side
491,283.17x = 187,388,590,350.94 - Step 5: Solve for x
x = 187,388,590,350.94/491,283.17 - Step 6: Final answer
x = 381,426.84
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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.