Finding the Fourth Proportional to 125,305.99, 187,915.22 and 50,406.71
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Solution
The fourth proportional to 125,305.99, 187,915.22 and 50,406.71 is: 75,592.45
Step by Step Solution
- Step 1: Write the proportion equation
125,305.99 : 187,915.22 = 50,406.71 : x - Step 2: Convert to fraction form
125,305.99/187,915.22 = 50,406.71/x - Step 3: Cross multiply
125,305.99x = 187,915.22 × 50,406.71 - Step 4: Simplify right side
125,305.99x = 9,472,187,348.88 - Step 5: Solve for x
x = 9,472,187,348.88/125,305.99 - Step 6: Final answer
x = 75,592.45
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1.5x scale
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.