Finding the Fourth Proportional to 189,453.30, 261,497.07 and 108,889.08
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Solution
The fourth proportional to 189,453.30, 261,497.07 and 108,889.08 is: 150,296.54
Step by Step Solution
- Step 1: Write the proportion equation
189,453.30 : 261,497.07 = 108,889.08 : x - Step 2: Convert to fraction form
189,453.30/261,497.07 = 108,889.08/x - Step 3: Cross multiply
189,453.30x = 261,497.07 × 108,889.08 - Step 4: Simplify right side
189,453.30x = 28,474,175,375.00 - Step 5: Solve for x
x = 28,474,175,375.00/189,453.30 - Step 6: Final answer
x = 150,296.54
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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.