Finding the Fourth Proportional to 206,402.04, 284,840.55 and 125,811.09
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Solution
The fourth proportional to 206,402.04, 284,840.55 and 125,811.09 is: 173,622.80
Step by Step Solution
- Step 1: Write the proportion equation
206,402.04 : 284,840.55 = 125,811.09 : x - Step 2: Convert to fraction form
206,402.04/284,840.55 = 125,811.09/x - Step 3: Cross multiply
206,402.04x = 284,840.55 × 125,811.09 - Step 4: Simplify right side
206,402.04x = 35,836,100,071.70 - Step 5: Solve for x
x = 35,836,100,071.70/206,402.04 - Step 6: Final answer
x = 173,622.80
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1.5x scale
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.