Finding the Fourth Proportional to 292,716.75, 403,949.52 and 158,580.75
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Solution
The fourth proportional to 292,716.75, 403,949.52 and 158,580.75 is: 218,841.65
Step by Step Solution
- Step 1: Write the proportion equation
292,716.75 : 403,949.52 = 158,580.75 : x - Step 2: Convert to fraction form
292,716.75/403,949.52 = 158,580.75/x - Step 3: Cross multiply
292,716.75x = 403,949.52 × 158,580.75 - Step 4: Simplify right side
292,716.75x = 64,058,617,843.74 - Step 5: Solve for x
x = 64,058,617,843.74/292,716.75 - Step 6: Final answer
x = 218,841.65
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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.