Finding the Fourth Proportional to 228,375.24, 315,155.44 and 126,400.92
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Solution
The fourth proportional to 228,375.24, 315,155.44 and 126,400.92 is: 174,431.95
Step by Step Solution
- Step 1: Write the proportion equation
228,375.24 : 315,155.44 = 126,400.92 : x - Step 2: Convert to fraction form
228,375.24/315,155.44 = 126,400.92/x - Step 3: Cross multiply
228,375.24x = 315,155.44 × 126,400.92 - Step 4: Simplify right side
228,375.24x = 39,835,937,559.00 - Step 5: Solve for x
x = 39,835,937,559.00/228,375.24 - Step 6: Final answer
x = 174,431.95
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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.