Finding the Fourth Proportional to 206,036.12, 284,373.78 and 121,201.58
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Solution
The fourth proportional to 206,036.12, 284,373.78 and 121,201.58 is: 167,284.02
Step by Step Solution
- Step 1: Write the proportion equation
206,036.12 : 284,373.78 = 121,201.58 : x - Step 2: Convert to fraction form
206,036.12/284,373.78 = 121,201.58/x - Step 3: Cross multiply
206,036.12x = 284,373.78 × 121,201.58 - Step 4: Simplify right side
206,036.12x = 34,466,551,446.57 - Step 5: Solve for x
x = 34,466,551,446.57/206,036.12 - Step 6: Final answer
x = 167,284.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.