Finding the Fourth Proportional to 125,047.09, 187,571.12 and 30,277.12
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Solution
The fourth proportional to 125,047.09, 187,571.12 and 30,277.12 is: 45,415.79
Step by Step Solution
- Step 1: Write the proportion equation
125,047.09 : 187,571.12 = 30,277.12 : x - Step 2: Convert to fraction form
125,047.09/187,571.12 = 30,277.12/x - Step 3: Cross multiply
125,047.09x = 187,571.12 × 30,277.12 - Step 4: Simplify right side
125,047.09x = 5,679,112,802.00 - Step 5: Solve for x
x = 5,679,112,802.00/125,047.09 - Step 6: Final answer
x = 45,415.79
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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.