Finding the Fourth Proportional to 169,549.11, 253,856.16 and 113,311.62
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Solution
The fourth proportional to 169,549.11, 253,856.16 and 113,311.62 is: 169,654.99
Step by Step Solution
- Step 1: Write the proportion equation
169,549.11 : 253,856.16 = 113,311.62 : x - Step 2: Convert to fraction form
169,549.11/253,856.16 = 113,311.62/x - Step 3: Cross multiply
169,549.11x = 253,856.16 × 113,311.62 - Step 4: Simplify right side
169,549.11x = 28,764,852,736.58 - Step 5: Solve for x
x = 28,764,852,736.58/169,549.11 - Step 6: Final answer
x = 169,654.99
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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.