Finding the Fourth Proportional to 115,868.99, 173,663.13 and 49,169.00
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Solution
The fourth proportional to 115,868.99, 173,663.13 and 49,169.00 is: 73,693.94
Step by Step Solution
- Step 1: Write the proportion equation
115,868.99 : 173,663.13 = 49,169.00 : x - Step 2: Convert to fraction form
115,868.99/173,663.13 = 49,169.00/x - Step 3: Cross multiply
115,868.99x = 173,663.13 × 49,169.00 - Step 4: Simplify right side
115,868.99x = 8,538,841,804.08 - Step 5: Solve for x
x = 8,538,841,804.08/115,868.99 - Step 6: Final answer
x = 73,693.94
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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.