Finding the Fourth Proportional to 125,232.79, 187,761.69 and 46,336.78
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Solution
The fourth proportional to 125,232.79, 187,761.69 and 46,336.78 is: 69,472.80
Step by Step Solution
- Step 1: Write the proportion equation
125,232.79 : 187,761.69 = 46,336.78 : x - Step 2: Convert to fraction form
125,232.79/187,761.69 = 46,336.78/x - Step 3: Cross multiply
125,232.79x = 187,761.69 × 46,336.78 - Step 4: Simplify right side
125,232.79x = 8,700,272,121.96 - Step 5: Solve for x
x = 8,700,272,121.96/125,232.79 - Step 6: Final answer
x = 69,472.80
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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.