Finding the Fourth Proportional to 248,607.75, 372,911.67 and 82,395.75
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Solution
The fourth proportional to 248,607.75, 372,911.67 and 82,395.75 is: 123,593.64
Step by Step Solution
- Step 1: Write the proportion equation
248,607.75 : 372,911.67 = 82,395.75 : x - Step 2: Convert to fraction form
248,607.75/372,911.67 = 82,395.75/x - Step 3: Cross multiply
248,607.75x = 372,911.67 × 82,395.75 - Step 4: Simplify right side
248,607.75x = 30,726,336,733.40 - Step 5: Solve for x
x = 30,726,336,733.40/248,607.75 - Step 6: Final answer
x = 123,593.64
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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.