Finding the Fourth Proportional to 522,305.09, 783,570.42 and 162,469.08
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Solution
The fourth proportional to 522,305.09, 783,570.42 and 162,469.08 is: 243,738.70
Step by Step Solution
- Step 1: Write the proportion equation
522,305.09 : 783,570.42 = 162,469.08 : x - Step 2: Convert to fraction form
522,305.09/783,570.42 = 162,469.08/x - Step 3: Cross multiply
522,305.09x = 783,570.42 × 162,469.08 - Step 4: Simplify right side
522,305.09x = 127,305,965,252.61 - Step 5: Solve for x
x = 127,305,965,252.61/522,305.09 - Step 6: Final answer
x = 243,738.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.