Finding the Fourth Proportional to 356,708.70, 491,997.20 and 227,735.84
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Solution
The fourth proportional to 356,708.70, 491,997.20 and 227,735.84 is: 314,108.95
Step by Step Solution
- Step 1: Write the proportion equation
356,708.70 : 491,997.20 = 227,735.84 : x - Step 2: Convert to fraction form
356,708.70/491,997.20 = 227,735.84/x - Step 3: Cross multiply
356,708.70x = 491,997.20 × 227,735.84 - Step 4: Simplify right side
356,708.70x = 112,045,395,710.96 - Step 5: Solve for x
x = 112,045,395,710.96/356,708.70 - Step 6: Final answer
x = 314,108.95
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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.