Finding the Fourth Proportional to 372,745.91, 514,375.78 and 202,976.31
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Solution
The fourth proportional to 372,745.91, 514,375.78 and 202,976.31 is: 280,099.91
Step by Step Solution
- Step 1: Write the proportion equation
372,745.91 : 514,375.78 = 202,976.31 : x - Step 2: Convert to fraction form
372,745.91/514,375.78 = 202,976.31/x - Step 3: Cross multiply
372,745.91x = 514,375.78 × 202,976.31 - Step 4: Simplify right side
372,745.91x = 104,406,096,762.89 - Step 5: Solve for x
x = 104,406,096,762.89/372,745.91 - Step 6: Final answer
x = 280,099.91
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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.