Finding the Fourth Proportional to 125,049.49, 187,604.08 and 40,809.81
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Solution
The fourth proportional to 125,049.49, 187,604.08 and 40,809.81 is: 61,224.45
Step by Step Solution
- Step 1: Write the proportion equation
125,049.49 : 187,604.08 = 40,809.81 : x - Step 2: Convert to fraction form
125,049.49/187,604.08 = 40,809.81/x - Step 3: Cross multiply
125,049.49x = 187,604.08 × 40,809.81 - Step 4: Simplify right side
125,049.49x = 7,656,086,635.80 - Step 5: Solve for x
x = 7,656,086,635.80/125,049.49 - Step 6: Final answer
x = 61,224.45
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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.