Finding the Fourth Proportional to 161,512.31, 242,366.50 and 60,383.99
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Solution
The fourth proportional to 161,512.31, 242,366.50 and 60,383.99 is: 90,612.64
Step by Step Solution
- Step 1: Write the proportion equation
161,512.31 : 242,366.50 = 60,383.99 : x - Step 2: Convert to fraction form
161,512.31/242,366.50 = 60,383.99/x - Step 3: Cross multiply
161,512.31x = 242,366.50 × 60,383.99 - Step 4: Simplify right side
161,512.31x = 14,635,056,010.42 - Step 5: Solve for x
x = 14,635,056,010.42/161,512.31 - Step 6: Final answer
x = 90,612.64
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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.