Finding the Fourth Proportional to 198,317.36, 297,180.63 and 109,596.21
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Solution
The fourth proportional to 198,317.36, 297,180.63 and 109,596.21 is: 164,231.07
Step by Step Solution
- Step 1: Write the proportion equation
198,317.36 : 297,180.63 = 109,596.21 : x - Step 2: Convert to fraction form
198,317.36/297,180.63 = 109,596.21/x - Step 3: Cross multiply
198,317.36x = 297,180.63 × 109,596.21 - Step 4: Simplify right side
198,317.36x = 32,569,870,733.41 - Step 5: Solve for x
x = 32,569,870,733.41/198,317.36 - Step 6: Final answer
x = 164,231.07
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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.