Finding the Fourth Proportional to 227,438.99, 313,860.78 and 125,464.53
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Solution
The fourth proportional to 227,438.99, 313,860.78 and 125,464.53 is: 173,138.28
Step by Step Solution
- Step 1: Write the proportion equation
227,438.99 : 313,860.78 = 125,464.53 : x - Step 2: Convert to fraction form
227,438.99/313,860.78 = 125,464.53/x - Step 3: Cross multiply
227,438.99x = 313,860.78 × 125,464.53 - Step 4: Simplify right side
227,438.99x = 39,378,393,678.83 - Step 5: Solve for x
x = 39,378,393,678.83/227,438.99 - Step 6: Final answer
x = 173,138.28
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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.