Finding the Fourth Proportional to 248,515.77, 372,745.87 and 68,614.71
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Solution
The fourth proportional to 248,515.77, 372,745.87 and 68,614.71 is: 102,914.39
Step by Step Solution
- Step 1: Write the proportion equation
248,515.77 : 372,745.87 = 68,614.71 : x - Step 2: Convert to fraction form
248,515.77/372,745.87 = 68,614.71/x - Step 3: Cross multiply
248,515.77x = 372,745.87 × 68,614.71 - Step 4: Simplify right side
248,515.77x = 25,575,849,773.75 - Step 5: Solve for x
x = 25,575,849,773.75/248,515.77 - Step 6: Final answer
x = 102,914.39
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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.