Finding the Fourth Proportional to 250,475.75, 345,657.75 and 149,873.75
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Solution
The fourth proportional to 250,475.75, 345,657.75 and 149,873.75 is: 206,826.50
Step by Step Solution
- Step 1: Write the proportion equation
250,475.75 : 345,657.75 = 149,873.75 : x - Step 2: Convert to fraction form
250,475.75/345,657.75 = 149,873.75/x - Step 3: Cross multiply
250,475.75x = 345,657.75 × 149,873.75 - Step 4: Simplify right side
250,475.75x = 51,805,023,209.06 - Step 5: Solve for x
x = 51,805,023,209.06/250,475.75 - Step 6: Final answer
x = 206,826.50
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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.