Finding the Fourth Proportional to 292,716.76, 403,949.52 and 158,580.76
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Solution
The fourth proportional to 292,716.76, 403,949.52 and 158,580.76 is: 218,841.66
Step by Step Solution
- Step 1: Write the proportion equation
292,716.76 : 403,949.52 = 158,580.76 : x - Step 2: Convert to fraction form
292,716.76/403,949.52 = 158,580.76/x - Step 3: Cross multiply
292,716.76x = 403,949.52 × 158,580.76 - Step 4: Simplify right side
292,716.76x = 64,058,621,883.24 - Step 5: Solve for x
x = 64,058,621,883.24/292,716.76 - Step 6: Final answer
x = 218,841.66
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1.5x scale
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.