Finding the Fourth Proportional to 169,808.64, 234,336.99 and 106,183.68
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Solution
The fourth proportional to 169,808.64, 234,336.99 and 106,183.68 is: 146,534.15
Step by Step Solution
- Step 1: Write the proportion equation
169,808.64 : 234,336.99 = 106,183.68 : x - Step 2: Convert to fraction form
169,808.64/234,336.99 = 106,183.68/x - Step 3: Cross multiply
169,808.64x = 234,336.99 × 106,183.68 - Step 4: Simplify right side
169,808.64x = 24,882,763,958.32 - Step 5: Solve for x
x = 24,882,763,958.32/169,808.64 - Step 6: Final answer
x = 146,534.15
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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.