Finding the Fourth Proportional to 397,444.96, 548,551.92 and 227,792.80
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Solution
The fourth proportional to 397,444.96, 548,551.92 and 227,792.80 is: 314,398.70
Step by Step Solution
- Step 1: Write the proportion equation
397,444.96 : 548,551.92 = 227,792.80 : x - Step 2: Convert to fraction form
397,444.96/548,551.92 = 227,792.80/x - Step 3: Cross multiply
397,444.96x = 548,551.92 × 227,792.80 - Step 4: Simplify right side
397,444.96x = 124,956,177,802.18 - Step 5: Solve for x
x = 124,956,177,802.18/397,444.96 - Step 6: Final answer
x = 314,398.70
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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.