Finding the Fourth Proportional to 246,247.23, 339,821.19 and 138,817.26
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Solution
The fourth proportional to 246,247.23, 339,821.19 and 138,817.26 is: 191,567.83
Step by Step Solution
- Step 1: Write the proportion equation
246,247.23 : 339,821.19 = 138,817.26 : x - Step 2: Convert to fraction form
246,247.23/339,821.19 = 138,817.26/x - Step 3: Cross multiply
246,247.23x = 339,821.19 × 138,817.26 - Step 4: Simplify right side
246,247.23x = 47,173,046,485.74 - Step 5: Solve for x
x = 47,173,046,485.74/246,247.23 - Step 6: Final answer
x = 191,567.83
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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.