Finding the Fourth Proportional to 98,410.87, 147,639.72 and 31,850.99
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Solution
The fourth proportional to 98,410.87, 147,639.72 and 31,850.99 is: 47,784.06
Step by Step Solution
- Step 1: Write the proportion equation
98,410.87 : 147,639.72 = 31,850.99 : x - Step 2: Convert to fraction form
98,410.87/147,639.72 = 31,850.99/x - Step 3: Cross multiply
98,410.87x = 147,639.72 × 31,850.99 - Step 4: Simplify right side
98,410.87x = 4,702,471,180.21 - Step 5: Solve for x
x = 4,702,471,180.21/98,410.87 - Step 6: Final answer
x = 47,784.06
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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.