Finding the Fourth Proportional to 197,711.61, 296,268.12 and 130,912.53
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Solution
The fourth proportional to 197,711.61, 296,268.12 and 130,912.53 is: 196,170.62
Step by Step Solution
- Step 1: Write the proportion equation
197,711.61 : 296,268.12 = 130,912.53 : x - Step 2: Convert to fraction form
197,711.61/296,268.12 = 130,912.53/x - Step 3: Cross multiply
197,711.61x = 296,268.12 × 130,912.53 - Step 4: Simplify right side
197,711.61x = 38,785,209,147.54 - Step 5: Solve for x
x = 38,785,209,147.54/197,711.61 - Step 6: Final answer
x = 196,170.62
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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.