Finding the Fourth Proportional to 193,177.20, 289,765.80 and 133,042.80
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Solution
The fourth proportional to 193,177.20, 289,765.80 and 133,042.80 is: 199,564.20
Step by Step Solution
- Step 1: Write the proportion equation
193,177.20 : 289,765.80 = 133,042.80 : x - Step 2: Convert to fraction form
193,177.20/289,765.80 = 133,042.80/x - Step 3: Cross multiply
193,177.20x = 289,765.80 × 133,042.80 - Step 4: Simplify right side
193,177.20x = 38,551,253,376.24 - Step 5: Solve for x
x = 38,551,253,376.24/193,177.20 - Step 6: Final answer
x = 199,564.20
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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.