Finding the Fourth Proportional to 208,877.13, 288,250.79 and 113,383.94
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Solution
The fourth proportional to 208,877.13, 288,250.79 and 113,383.94 is: 156,470.02
Step by Step Solution
- Step 1: Write the proportion equation
208,877.13 : 288,250.79 = 113,383.94 : x - Step 2: Convert to fraction form
208,877.13/288,250.79 = 113,383.94/x - Step 3: Cross multiply
208,877.13x = 288,250.79 × 113,383.94 - Step 4: Simplify right side
208,877.13x = 32,683,008,270.14 - Step 5: Solve for x
x = 32,683,008,270.14/208,877.13 - Step 6: Final answer
x = 156,470.02
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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.