Finding the Fourth Proportional to 227,438.11, 313,866.90 and 125,467.18
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Solution
The fourth proportional to 227,438.11, 313,866.90 and 125,467.18 is: 173,145.98
Step by Step Solution
- Step 1: Write the proportion equation
227,438.11 : 313,866.90 = 125,467.18 : x - Step 2: Convert to fraction form
227,438.11/313,866.90 = 125,467.18/x - Step 3: Cross multiply
227,438.11x = 313,866.90 × 125,467.18 - Step 4: Simplify right side
227,438.11x = 39,379,994,053.67 - Step 5: Solve for x
x = 39,379,994,053.67/227,438.11 - Step 6: Final answer
x = 173,145.98
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1.5x scale
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.