Finding the Fourth Proportional to 103,284.21, 154,928.01 and 32,208.75
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Solution
The fourth proportional to 103,284.21, 154,928.01 and 32,208.75 is: 48,313.65
Step by Step Solution
- Step 1: Write the proportion equation
103,284.21 : 154,928.01 = 32,208.75 : x - Step 2: Convert to fraction form
103,284.21/154,928.01 = 32,208.75/x - Step 3: Cross multiply
103,284.21x = 154,928.01 × 32,208.75 - Step 4: Simplify right side
103,284.21x = 4,990,037,542.09 - Step 5: Solve for x
x = 4,990,037,542.09/103,284.21 - Step 6: Final answer
x = 48,313.65
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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.