Finding the Fourth Proportional to 306,112.08, 422,369.84 and 185,229.84
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Solution
The fourth proportional to 306,112.08, 422,369.84 and 185,229.84 is: 255,577.95
Step by Step Solution
- Step 1: Write the proportion equation
306,112.08 : 422,369.84 = 185,229.84 : x - Step 2: Convert to fraction form
306,112.08/422,369.84 = 185,229.84/x - Step 3: Cross multiply
306,112.08x = 422,369.84 × 185,229.84 - Step 4: Simplify right side
306,112.08x = 78,235,497,884.03 - Step 5: Solve for x
x = 78,235,497,884.03/306,112.08 - Step 6: Final answer
x = 255,577.95
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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.