Finding the Fourth Proportional to 198,025.14, 296,607.44 and 121,891.62
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Solution
The fourth proportional to 198,025.14, 296,607.44 and 121,891.62 is: 182,572.58
Step by Step Solution
- Step 1: Write the proportion equation
198,025.14 : 296,607.44 = 121,891.62 : x - Step 2: Convert to fraction form
198,025.14/296,607.44 = 121,891.62/x - Step 3: Cross multiply
198,025.14x = 296,607.44 × 121,891.62 - Step 4: Simplify right side
198,025.14x = 36,153,961,365.65 - Step 5: Solve for x
x = 36,153,961,365.65/198,025.14 - Step 6: Final answer
x = 182,572.58
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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.