Finding the Fourth Proportional to 197,618.36, 296,431.92 and 71,268.80
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Solution
The fourth proportional to 197,618.36, 296,431.92 and 71,268.80 is: 106,904.78
Step by Step Solution
- Step 1: Write the proportion equation
197,618.36 : 296,431.92 = 71,268.80 : x - Step 2: Convert to fraction form
197,618.36/296,431.92 = 71,268.80/x - Step 3: Cross multiply
197,618.36x = 296,431.92 × 71,268.80 - Step 4: Simplify right side
197,618.36x = 21,126,347,220.10 - Step 5: Solve for x
x = 21,126,347,220.10/197,618.36 - Step 6: Final answer
x = 106,904.78
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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.