Finding the Fourth Proportional to 505,481.99, 757,206.02 and 239,499.05
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Solution
The fourth proportional to 505,481.99, 757,206.02 and 239,499.05 is: 358,766.73
Step by Step Solution
- Step 1: Write the proportion equation
505,481.99 : 757,206.02 = 239,499.05 : x - Step 2: Convert to fraction form
505,481.99/757,206.02 = 239,499.05/x - Step 3: Cross multiply
505,481.99x = 757,206.02 × 239,499.05 - Step 4: Simplify right side
505,481.99x = 181,350,119,257.00 - Step 5: Solve for x
x = 181,350,119,257.00/505,481.99 - Step 6: Final answer
x = 358,766.73
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1.5x scale
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.