Finding the Fourth Proportional to 199,924.62, 299,738.79 and 121,020.18
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Solution
The fourth proportional to 199,924.62, 299,738.79 and 121,020.18 is: 181,440.60
Step by Step Solution
- Step 1: Write the proportion equation
199,924.62 : 299,738.79 = 121,020.18 : x - Step 2: Convert to fraction form
199,924.62/299,738.79 = 121,020.18/x - Step 3: Cross multiply
199,924.62x = 299,738.79 × 121,020.18 - Step 4: Simplify right side
199,924.62x = 36,274,442,318.78 - Step 5: Solve for x
x = 36,274,442,318.78/199,924.62 - Step 6: Final answer
x = 181,440.60
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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.