Finding the Fourth Proportional to 398,923.33, 550,501.57 and 226,859.99
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Solution
The fourth proportional to 398,923.33, 550,501.57 and 226,859.99 is: 313,059.61
Step by Step Solution
- Step 1: Write the proportion equation
398,923.33 : 550,501.57 = 226,859.99 : x - Step 2: Convert to fraction form
398,923.33/550,501.57 = 226,859.99/x - Step 3: Cross multiply
398,923.33x = 550,501.57 × 226,859.99 - Step 4: Simplify right side
398,923.33x = 124,886,780,665.18 - Step 5: Solve for x
x = 124,886,780,665.18/398,923.33 - Step 6: Final answer
x = 313,059.61
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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.