Finding the Fourth Proportional to 250,351.75, 345,485.42 and 149,749.75
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Solution
The fourth proportional to 250,351.75, 345,485.42 and 149,749.75 is: 206,654.66
Step by Step Solution
- Step 1: Write the proportion equation
250,351.75 : 345,485.42 = 149,749.75 : x - Step 2: Convert to fraction form
250,351.75/345,485.42 = 149,749.75/x - Step 3: Cross multiply
250,351.75x = 345,485.42 × 149,749.75 - Step 4: Simplify right side
250,351.75x = 51,736,355,273.65 - Step 5: Solve for x
x = 51,736,355,273.65/250,351.75 - Step 6: Final answer
x = 206,654.66
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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.