Finding the Fourth Proportional to 292,067.94, 403,236.21 and 223,954.05
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Solution
The fourth proportional to 292,067.94, 403,236.21 and 223,954.05 is: 309,196.49
Step by Step Solution
- Step 1: Write the proportion equation
292,067.94 : 403,236.21 = 223,954.05 : x - Step 2: Convert to fraction form
292,067.94/403,236.21 = 223,954.05/x - Step 3: Cross multiply
292,067.94x = 403,236.21 × 223,954.05 - Step 4: Simplify right side
292,067.94x = 90,306,382,336.15 - Step 5: Solve for x
x = 90,306,382,336.15/292,067.94 - Step 6: Final answer
x = 309,196.49
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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.