Finding the Fourth Proportional to 125,397.99, 188,103.16 and 50,508.01
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Solution
The fourth proportional to 125,397.99, 188,103.16 and 50,508.01 is: 75,764.50
Step by Step Solution
- Step 1: Write the proportion equation
125,397.99 : 188,103.16 = 50,508.01 : x - Step 2: Convert to fraction form
125,397.99/188,103.16 = 50,508.01/x - Step 3: Cross multiply
125,397.99x = 188,103.16 × 50,508.01 - Step 4: Simplify right side
125,397.99x = 9,500,716,557.03 - Step 5: Solve for x
x = 9,500,716,557.03/125,397.99 - Step 6: Final answer
x = 75,764.50
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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.