Finding the Fourth Proportional to 103,698.06, 155,467.17 and 33,558.54
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Solution
The fourth proportional to 103,698.06, 155,467.17 and 33,558.54 is: 50,311.95
Step by Step Solution
- Step 1: Write the proportion equation
103,698.06 : 155,467.17 = 33,558.54 : x - Step 2: Convert to fraction form
103,698.06/155,467.17 = 33,558.54/x - Step 3: Cross multiply
103,698.06x = 155,467.17 × 33,558.54 - Step 4: Simplify right side
103,698.06x = 5,217,251,243.13 - Step 5: Solve for x
x = 5,217,251,243.13/103,698.06 - Step 6: Final answer
x = 50,311.95
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1.5x scale
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.