Finding the Fourth Proportional to 125,047.05, 187,571.04 and 30,277.08
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Solution
The fourth proportional to 125,047.05, 187,571.04 and 30,277.08 is: 45,415.73
Step by Step Solution
- Step 1: Write the proportion equation
125,047.05 : 187,571.04 = 30,277.08 : x - Step 2: Convert to fraction form
125,047.05/187,571.04 = 30,277.08/x - Step 3: Cross multiply
125,047.05x = 187,571.04 × 30,277.08 - Step 4: Simplify right side
125,047.05x = 5,679,103,497.30 - Step 5: Solve for x
x = 5,679,103,497.30/125,047.05 - Step 6: Final answer
x = 45,415.73
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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.