Finding the Fourth Proportional to 372,745.70, 514,394.93 and 202,979.69
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Solution
The fourth proportional to 372,745.70, 514,394.93 and 202,979.69 is: 280,115.16
Step by Step Solution
- Step 1: Write the proportion equation
372,745.70 : 514,394.93 = 202,979.69 : x - Step 2: Convert to fraction form
372,745.70/514,394.93 = 202,979.69/x - Step 3: Cross multiply
372,745.70x = 514,394.93 × 202,979.69 - Step 4: Simplify right side
372,745.70x = 104,411,722,414.07 - Step 5: Solve for x
x = 104,411,722,414.07/372,745.70 - Step 6: Final answer
x = 280,115.16
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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.