Finding the Fourth Proportional to 125,028.36, 187,354.50 and 50,074.20
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Solution
The fourth proportional to 125,028.36, 187,354.50 and 50,074.20 is: 75,035.99
Step by Step Solution
- Step 1: Write the proportion equation
125,028.36 : 187,354.50 = 50,074.20 : x - Step 2: Convert to fraction form
125,028.36/187,354.50 = 50,074.20/x - Step 3: Cross multiply
125,028.36x = 187,354.50 × 50,074.20 - Step 4: Simplify right side
125,028.36x = 9,381,626,703.90 - Step 5: Solve for x
x = 9,381,626,703.90/125,028.36 - Step 6: Final answer
x = 75,035.99
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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.