Finding the Fourth Proportional to 125,336.30, 187,994.49 and 50,403.62
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Solution
The fourth proportional to 125,336.30, 187,994.49 and 50,403.62 is: 75,601.42
Step by Step Solution
- Step 1: Write the proportion equation
125,336.30 : 187,994.49 = 50,403.62 : x - Step 2: Convert to fraction form
125,336.30/187,994.49 = 50,403.62/x - Step 3: Cross multiply
125,336.30x = 187,994.49 × 50,403.62 - Step 4: Simplify right side
125,336.30x = 9,475,602,836.05 - Step 5: Solve for x
x = 9,475,602,836.05/125,336.30 - Step 6: Final answer
x = 75,601.42
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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.