Finding the Fourth Proportional to 418,789.26, 577,933.68 and 227,803.14
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Solution
The fourth proportional to 418,789.26, 577,933.68 and 227,803.14 is: 314,370.78
Step by Step Solution
- Step 1: Write the proportion equation
418,789.26 : 577,933.68 = 227,803.14 : x - Step 2: Convert to fraction form
418,789.26/577,933.68 = 227,803.14/x - Step 3: Cross multiply
418,789.26x = 577,933.68 × 227,803.14 - Step 4: Simplify right side
418,789.26x = 131,655,107,015.76 - Step 5: Solve for x
x = 131,655,107,015.76/418,789.26 - Step 6: Final answer
x = 314,370.78
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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.