Finding the Fourth Proportional to 398,894.97, 550,474.26 and 217,606.84
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Solution
The fourth proportional to 398,894.97, 550,474.26 and 217,606.84 is: 300,297.00
Step by Step Solution
- Step 1: Write the proportion equation
398,894.97 : 550,474.26 = 217,606.84 : x - Step 2: Convert to fraction form
398,894.97/550,474.26 = 217,606.84/x - Step 3: Cross multiply
398,894.97x = 550,474.26 × 217,606.84 - Step 4: Simplify right side
398,894.97x = 119,786,963,659.78 - Step 5: Solve for x
x = 119,786,963,659.78/398,894.97 - Step 6: Final answer
x = 300,297.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.