Finding the Fourth Proportional to 356,350.17, 491,369.18 and 227,083.88
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Solution
The fourth proportional to 356,350.17, 491,369.18 and 227,083.88 is: 313,124.63
Step by Step Solution
- Step 1: Write the proportion equation
356,350.17 : 491,369.18 = 227,083.88 : x - Step 2: Convert to fraction form
356,350.17/491,369.18 = 227,083.88/x - Step 3: Cross multiply
356,350.17x = 491,369.18 × 227,083.88 - Step 4: Simplify right side
356,350.17x = 111,582,016,314.55 - Step 5: Solve for x
x = 111,582,016,314.55/356,350.17 - Step 6: Final answer
x = 313,124.63
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1.5x scale
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.