Finding the Fourth Proportional to 202,515.99, 303,801.32 and 74,415.19
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Solution
The fourth proportional to 202,515.99, 303,801.32 and 74,415.19 is: 111,632.83
Step by Step Solution
- Step 1: Write the proportion equation
202,515.99 : 303,801.32 = 74,415.19 : x - Step 2: Convert to fraction form
202,515.99/303,801.32 = 74,415.19/x - Step 3: Cross multiply
202,515.99x = 303,801.32 × 74,415.19 - Step 4: Simplify right side
202,515.99x = 22,607,432,950.05 - Step 5: Solve for x
x = 22,607,432,950.05/202,515.99 - Step 6: Final answer
x = 111,632.83
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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.