Finding the Fourth Proportional to 208,845.93, 288,207.67 and 113,352.63
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Solution
The fourth proportional to 208,845.93, 288,207.67 and 113,352.63 is: 156,426.78
Step by Step Solution
- Step 1: Write the proportion equation
208,845.93 : 288,207.67 = 113,352.63 : x - Step 2: Convert to fraction form
208,845.93/288,207.67 = 113,352.63/x - Step 3: Cross multiply
208,845.93x = 288,207.67 × 113,352.63 - Step 4: Simplify right side
208,845.93x = 32,669,097,380.67 - Step 5: Solve for x
x = 32,669,097,380.67/208,845.93 - Step 6: Final answer
x = 156,426.78
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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.