Finding the Fourth Proportional to 198,614.68, 297,858.75 and 65,470.12
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Solution
The fourth proportional to 198,614.68, 297,858.75 and 65,470.12 is: 98,184.32
Step by Step Solution
- Step 1: Write the proportion equation
198,614.68 : 297,858.75 = 65,470.12 : x - Step 2: Convert to fraction form
198,614.68/297,858.75 = 65,470.12/x - Step 3: Cross multiply
198,614.68x = 297,858.75 × 65,470.12 - Step 4: Simplify right side
198,614.68x = 19,500,848,105.55 - Step 5: Solve for x
x = 19,500,848,105.55/198,614.68 - Step 6: Final answer
x = 98,184.32
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1.5x scale
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.