Finding the Fourth Proportional to 208,850.97, 288,214.67 and 113,357.71
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Solution
The fourth proportional to 208,850.97, 288,214.67 and 113,357.71 is: 156,433.82
Step by Step Solution
- Step 1: Write the proportion equation
208,850.97 : 288,214.67 = 113,357.71 : x - Step 2: Convert to fraction form
208,850.97/288,214.67 = 113,357.71/x - Step 3: Cross multiply
208,850.97x = 288,214.67 × 113,357.71 - Step 4: Simplify right side
208,850.97x = 32,671,355,623.27 - Step 5: Solve for x
x = 32,671,355,623.27/208,850.97 - Step 6: Final answer
x = 156,433.82
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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.