Finding the Fourth Proportional to 205,485.87, 283,568.75 and 114,845.66
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Solution
The fourth proportional to 205,485.87, 283,568.75 and 114,845.66 is: 158,486.02
Step by Step Solution
- Step 1: Write the proportion equation
205,485.87 : 283,568.75 = 114,845.66 : x - Step 2: Convert to fraction form
205,485.87/283,568.75 = 114,845.66/x - Step 3: Cross multiply
205,485.87x = 283,568.75 × 114,845.66 - Step 4: Simplify right side
205,485.87x = 32,566,638,257.05 - Step 5: Solve for x
x = 32,566,638,257.05/205,485.87 - Step 6: Final answer
x = 158,486.02
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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.