Finding the Fourth Proportional to 136,494.24, 204,782.03 and 98,629.07
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Solution
The fourth proportional to 136,494.24, 204,782.03 and 98,629.07 is: 147,972.98
Step by Step Solution
- Step 1: Write the proportion equation
136,494.24 : 204,782.03 = 98,629.07 : x - Step 2: Convert to fraction form
136,494.24/204,782.03 = 98,629.07/x - Step 3: Cross multiply
136,494.24x = 204,782.03 × 98,629.07 - Step 4: Simplify right side
136,494.24x = 20,197,459,654.56 - Step 5: Solve for x
x = 20,197,459,654.56/136,494.24 - Step 6: Final answer
x = 147,972.98
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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.