Finding the Fourth Proportional to 418,624.35, 577,695.02 and 227,636.07
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Solution
The fourth proportional to 418,624.35, 577,695.02 and 227,636.07 is: 314,134.19
Step by Step Solution
- Step 1: Write the proportion equation
418,624.35 : 577,695.02 = 227,636.07 : x - Step 2: Convert to fraction form
418,624.35/577,695.02 = 227,636.07/x - Step 3: Cross multiply
418,624.35x = 577,695.02 × 227,636.07 - Step 4: Simplify right side
418,624.35x = 131,504,222,873.19 - Step 5: Solve for x
x = 131,504,222,873.19/418,624.35 - Step 6: Final answer
x = 314,134.19
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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.