Finding the Fourth Proportional to 98,260.36, 147,421.69 and 35,079.09
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Solution
The fourth proportional to 98,260.36, 147,421.69 and 35,079.09 is: 52,629.75
Step by Step Solution
- Step 1: Write the proportion equation
98,260.36 : 147,421.69 = 35,079.09 : x - Step 2: Convert to fraction form
98,260.36/147,421.69 = 35,079.09/x - Step 3: Cross multiply
98,260.36x = 147,421.69 × 35,079.09 - Step 4: Simplify right side
98,260.36x = 5,171,418,288.25 - Step 5: Solve for x
x = 5,171,418,288.25/98,260.36 - Step 6: Final answer
x = 52,629.75
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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.