Finding the Fourth Proportional to 372,893.36, 514,554.48 and 209,523.92
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Solution
The fourth proportional to 372,893.36, 514,554.48 and 209,523.92 is: 289,121.45
Step by Step Solution
- Step 1: Write the proportion equation
372,893.36 : 514,554.48 = 209,523.92 : x - Step 2: Convert to fraction form
372,893.36/514,554.48 = 209,523.92/x - Step 3: Cross multiply
372,893.36x = 514,554.48 × 209,523.92 - Step 4: Simplify right side
372,893.36x = 107,811,469,130.39 - Step 5: Solve for x
x = 107,811,469,130.39/372,893.36 - Step 6: Final answer
x = 289,121.45
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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.