Finding the Fourth Proportional to 193,439.76, 290,126.79 and 88,234.08
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Solution
The fourth proportional to 193,439.76, 290,126.79 and 88,234.08 is: 132,336.14
Step by Step Solution
- Step 1: Write the proportion equation
193,439.76 : 290,126.79 = 88,234.08 : x - Step 2: Convert to fraction form
193,439.76/290,126.79 = 88,234.08/x - Step 3: Cross multiply
193,439.76x = 290,126.79 × 88,234.08 - Step 4: Simplify right side
193,439.76x = 25,599,070,399.00 - Step 5: Solve for x
x = 25,599,070,399.00/193,439.76 - Step 6: Final answer
x = 132,336.14
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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.