Finding the Fourth Proportional to 408,849.36, 564,215.08 and 227,568.92
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Solution
The fourth proportional to 408,849.36, 564,215.08 and 227,568.92 is: 314,046.76
Step by Step Solution
- Step 1: Write the proportion equation
408,849.36 : 564,215.08 = 227,568.92 : x - Step 2: Convert to fraction form
408,849.36/564,215.08 = 227,568.92/x - Step 3: Cross multiply
408,849.36x = 564,215.08 × 227,568.92 - Step 4: Simplify right side
408,849.36x = 128,397,816,403.31 - Step 5: Solve for x
x = 128,397,816,403.31/408,849.36 - Step 6: Final answer
x = 314,046.76
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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.