Finding the Fourth Proportional to 356,784.06, 491,958.44 and 227,549.68
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Solution
The fourth proportional to 356,784.06, 491,958.44 and 227,549.68 is: 313,761.17
Step by Step Solution
- Step 1: Write the proportion equation
356,784.06 : 491,958.44 = 227,549.68 : x - Step 2: Convert to fraction form
356,784.06/491,958.44 = 227,549.68/x - Step 3: Cross multiply
356,784.06x = 491,958.44 × 227,549.68 - Step 4: Simplify right side
356,784.06x = 111,944,985,595.30 - Step 5: Solve for x
x = 111,944,985,595.30/356,784.06 - Step 6: Final answer
x = 313,761.17
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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.