Finding the Fourth Proportional to 133,206.26, 198,837.67 and 116,390.96
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Solution
The fourth proportional to 133,206.26, 198,837.67 and 116,390.96 is: 173,737.39
Step by Step Solution
- Step 1: Write the proportion equation
133,206.26 : 198,837.67 = 116,390.96 : x - Step 2: Convert to fraction form
133,206.26/198,837.67 = 116,390.96/x - Step 3: Cross multiply
133,206.26x = 198,837.67 × 116,390.96 - Step 4: Simplify right side
133,206.26x = 23,142,907,295.46 - Step 5: Solve for x
x = 23,142,907,295.46/133,206.26 - Step 6: Final answer
x = 173,737.39
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.