Finding the Fourth Proportional to 250,625.74, 345,831.55 and 143,202.73
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Solution
The fourth proportional to 250,625.74, 345,831.55 and 143,202.73 is: 197,601.50
Step by Step Solution
- Step 1: Write the proportion equation
250,625.74 : 345,831.55 = 143,202.73 : x - Step 2: Convert to fraction form
250,625.74/345,831.55 = 143,202.73/x - Step 3: Cross multiply
250,625.74x = 345,831.55 × 143,202.73 - Step 4: Simplify right side
250,625.74x = 49,524,022,080.13 - Step 5: Solve for x
x = 49,524,022,080.13/250,625.74 - Step 6: Final answer
x = 197,601.50
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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.