Finding the Fourth Proportional to 193,057.26, 266,419.09 and 117,605.76
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Solution
The fourth proportional to 193,057.26, 266,419.09 and 117,605.76 is: 162,295.99
Step by Step Solution
- Step 1: Write the proportion equation
193,057.26 : 266,419.09 = 117,605.76 : x - Step 2: Convert to fraction form
193,057.26/266,419.09 = 117,605.76/x - Step 3: Cross multiply
193,057.26x = 266,419.09 × 117,605.76 - Step 4: Simplify right side
193,057.26x = 31,332,419,557.96 - Step 5: Solve for x
x = 31,332,419,557.96/193,057.26 - Step 6: Final answer
x = 162,295.99
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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.