Finding the Fourth Proportional to 98,260.25, 147,421.52 and 35,078.99
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Solution
The fourth proportional to 98,260.25, 147,421.52 and 35,078.99 is: 52,629.60
Step by Step Solution
- Step 1: Write the proportion equation
98,260.25 : 147,421.52 = 35,078.99 : x - Step 2: Convert to fraction form
98,260.25/147,421.52 = 35,078.99/x - Step 3: Cross multiply
98,260.25x = 147,421.52 × 35,078.99 - Step 4: Simplify right side
98,260.25x = 5,171,397,113.36 - Step 5: Solve for x
x = 5,171,397,113.36/98,260.25 - Step 6: Final answer
x = 52,629.60
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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.