Finding the Fourth Proportional to 664,791.80, 997,187.70 and 244,231.70
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Solution
The fourth proportional to 664,791.80, 997,187.70 and 244,231.70 is: 366,347.55
Step by Step Solution
- Step 1: Write the proportion equation
664,791.80 : 997,187.70 = 244,231.70 : x - Step 2: Convert to fraction form
664,791.80/997,187.70 = 244,231.70/x - Step 3: Cross multiply
664,791.80x = 997,187.70 × 244,231.70 - Step 4: Simplify right side
664,791.80x = 243,544,847,190.09 - Step 5: Solve for x
x = 243,544,847,190.09/664,791.80 - Step 6: Final answer
x = 366,347.55
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.