Finding the Fourth Proportional to 208,845.33, 288,204.78 and 113,349.97
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Solution
The fourth proportional to 208,845.33, 288,204.78 and 113,349.97 is: 156,422.00
Step by Step Solution
- Step 1: Write the proportion equation
208,845.33 : 288,204.78 = 113,349.97 : x - Step 2: Convert to fraction form
208,845.33/288,204.78 = 113,349.97/x - Step 3: Cross multiply
208,845.33x = 288,204.78 × 113,349.97 - Step 4: Simplify right side
208,845.33x = 32,668,003,166.86 - Step 5: Solve for x
x = 32,668,003,166.86/208,845.33 - Step 6: Final answer
x = 156,422.00
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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.