Finding the Fourth Proportional to 189,190.08, 261,084.26 and 104,310.18
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Solution
The fourth proportional to 189,190.08, 261,084.26 and 104,310.18 is: 143,949.12
Step by Step Solution
- Step 1: Write the proportion equation
189,190.08 : 261,084.26 = 104,310.18 : x - Step 2: Convert to fraction form
189,190.08/261,084.26 = 104,310.18/x - Step 3: Cross multiply
189,190.08x = 261,084.26 × 104,310.18 - Step 4: Simplify right side
189,190.08x = 27,233,746,416.54 - Step 5: Solve for x
x = 27,233,746,416.54/189,190.08 - Step 6: Final answer
x = 143,949.12
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1.5x scale
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.