Finding the Fourth Proportional to 151,616.10, 227,424.15 and 85,102.95
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Solution
The fourth proportional to 151,616.10, 227,424.15 and 85,102.95 is: 127,654.43
Step by Step Solution
- Step 1: Write the proportion equation
151,616.10 : 227,424.15 = 85,102.95 : x - Step 2: Convert to fraction form
151,616.10/227,424.15 = 85,102.95/x - Step 3: Cross multiply
151,616.10x = 227,424.15 × 85,102.95 - Step 4: Simplify right side
151,616.10x = 19,354,466,066.24 - Step 5: Solve for x
x = 19,354,466,066.24/151,616.10 - Step 6: Final answer
x = 127,654.43
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1.5x scale
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.