Finding the Fourth Proportional to 209,092.99, 313,639.74 and 57,291.37
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Solution
The fourth proportional to 209,092.99, 313,639.74 and 57,291.37 is: 85,937.12
Step by Step Solution
- Step 1: Write the proportion equation
209,092.99 : 313,639.74 = 57,291.37 : x - Step 2: Convert to fraction form
209,092.99/313,639.74 = 57,291.37/x - Step 3: Cross multiply
209,092.99x = 313,639.74 × 57,291.37 - Step 4: Simplify right side
209,092.99x = 17,968,848,536.39 - Step 5: Solve for x
x = 17,968,848,536.39/209,092.99 - Step 6: Final answer
x = 85,937.12
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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.