Finding the Fourth Proportional to 246,290.93, 339,874.70 and 138,860.03
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Solution
The fourth proportional to 246,290.93, 339,874.70 and 138,860.03 is: 191,623.01
Step by Step Solution
- Step 1: Write the proportion equation
246,290.93 : 339,874.70 = 138,860.03 : x - Step 2: Convert to fraction form
246,290.93/339,874.70 = 138,860.03/x - Step 3: Cross multiply
246,290.93x = 339,874.70 × 138,860.03 - Step 4: Simplify right side
246,290.93x = 47,195,008,644.57 - Step 5: Solve for x
x = 47,195,008,644.57/246,290.93 - Step 6: Final answer
x = 191,623.01
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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.