Finding the Fourth Proportional to 151,444.20, 227,166.30 and 121,919.70
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Solution
The fourth proportional to 151,444.20, 227,166.30 and 121,919.70 is: 182,879.55
Step by Step Solution
- Step 1: Write the proportion equation
151,444.20 : 227,166.30 = 121,919.70 : x - Step 2: Convert to fraction form
151,444.20/227,166.30 = 121,919.70/x - Step 3: Cross multiply
151,444.20x = 227,166.30 × 121,919.70 - Step 4: Simplify right side
151,444.20x = 27,696,047,146.11 - Step 5: Solve for x
x = 27,696,047,146.11/151,444.20 - Step 6: Final answer
x = 182,879.55
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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.