Finding the Fourth Proportional to 84,190.05, 116,197.08 and 50,200.62
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Solution
The fourth proportional to 84,190.05, 116,197.08 and 50,200.62 is: 69,285.69
Step by Step Solution
- Step 1: Write the proportion equation
84,190.05 : 116,197.08 = 50,200.62 : x - Step 2: Convert to fraction form
84,190.05/116,197.08 = 50,200.62/x - Step 3: Cross multiply
84,190.05x = 116,197.08 × 50,200.62 - Step 4: Simplify right side
84,190.05x = 5,833,165,458.19 - Step 5: Solve for x
x = 5,833,165,458.19/84,190.05 - Step 6: Final answer
x = 69,285.69
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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.