Finding the Fourth Proportional to 273,879.99, 411,158.28 and 129,923.46
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Solution
The fourth proportional to 273,879.99, 411,158.28 and 129,923.46 is: 195,045.67
Step by Step Solution
- Step 1: Write the proportion equation
273,879.99 : 411,158.28 = 129,923.46 : x - Step 2: Convert to fraction form
273,879.99/411,158.28 = 129,923.46/x - Step 3: Cross multiply
273,879.99x = 411,158.28 × 129,923.46 - Step 4: Simplify right side
273,879.99x = 53,419,106,345.25 - Step 5: Solve for x
x = 53,419,106,345.25/273,879.99 - Step 6: Final answer
x = 195,045.67
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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.