Finding the Fourth Proportional to 228,868.57, 343,324.92 and 71,054.65
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Solution
The fourth proportional to 228,868.57, 343,324.92 and 71,054.65 is: 106,588.82
Step by Step Solution
- Step 1: Write the proportion equation
228,868.57 : 343,324.92 = 71,054.65 : x - Step 2: Convert to fraction form
228,868.57/343,324.92 = 71,054.65/x - Step 3: Cross multiply
228,868.57x = 343,324.92 × 71,054.65 - Step 4: Simplify right side
228,868.57x = 24,394,830,310.25 - Step 5: Solve for x
x = 24,394,830,310.25/228,868.57 - Step 6: Final answer
x = 106,588.82
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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.