Finding the Fourth Proportional to 125,278.24, 187,926.20 and 50,398.84
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Solution
The fourth proportional to 125,278.24, 187,926.20 and 50,398.84 is: 75,601.82
Step by Step Solution
- Step 1: Write the proportion equation
125,278.24 : 187,926.20 = 50,398.84 : x - Step 2: Convert to fraction form
125,278.24/187,926.20 = 50,398.84/x - Step 3: Cross multiply
125,278.24x = 187,926.20 × 50,398.84 - Step 4: Simplify right side
125,278.24x = 9,471,262,485.61 - Step 5: Solve for x
x = 9,471,262,485.61/125,278.24 - Step 6: Final answer
x = 75,601.82
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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.