Finding the Fourth Proportional to 356,416.06, 491,460.14 and 227,149.96
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Solution
The fourth proportional to 356,416.06, 491,460.14 and 227,149.96 is: 313,215.83
Step by Step Solution
- Step 1: Write the proportion equation
356,416.06 : 491,460.14 = 227,149.96 : x - Step 2: Convert to fraction form
356,416.06/491,460.14 = 227,149.96/x - Step 3: Cross multiply
356,416.06x = 491,460.14 × 227,149.96 - Step 4: Simplify right side
356,416.06x = 111,635,151,142.59 - Step 5: Solve for x
x = 111,635,151,142.59/356,416.06 - Step 6: Final answer
x = 313,215.83
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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.