Finding the Fourth Proportional to 203,652.28, 305,116.98 and 85,062.64
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Solution
The fourth proportional to 203,652.28, 305,116.98 and 85,062.64 is: 127,442.99
Step by Step Solution
- Step 1: Write the proportion equation
203,652.28 : 305,116.98 = 85,062.64 : x - Step 2: Convert to fraction form
203,652.28/305,116.98 = 85,062.64/x - Step 3: Cross multiply
203,652.28x = 305,116.98 × 85,062.64 - Step 4: Simplify right side
203,652.28x = 25,954,055,827.63 - Step 5: Solve for x
x = 25,954,055,827.63/203,652.28 - Step 6: Final answer
x = 127,442.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.