Finding the Fourth Proportional to 189,733.74, 261,810.27 and 104,845.74
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Solution
The fourth proportional to 189,733.74, 261,810.27 and 104,845.74 is: 144,674.80
Step by Step Solution
- Step 1: Write the proportion equation
189,733.74 : 261,810.27 = 104,845.74 : x - Step 2: Convert to fraction form
189,733.74/261,810.27 = 104,845.74/x - Step 3: Cross multiply
189,733.74x = 261,810.27 × 104,845.74 - Step 4: Simplify right side
189,733.74x = 27,449,691,497.75 - Step 5: Solve for x
x = 27,449,691,497.75/189,733.74 - Step 6: Final answer
x = 144,674.80
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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.