Finding the Fourth Proportional to 246,296.44, 339,882.28 and 138,865.53
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Solution
The fourth proportional to 246,296.44, 339,882.28 and 138,865.53 is: 191,630.59
Step by Step Solution
- Step 1: Write the proportion equation
246,296.44 : 339,882.28 = 138,865.53 : x - Step 2: Convert to fraction form
246,296.44/339,882.28 = 138,865.53/x - Step 3: Cross multiply
246,296.44x = 339,882.28 × 138,865.53 - Step 4: Simplify right side
246,296.44x = 47,197,932,949.81 - Step 5: Solve for x
x = 47,197,932,949.81/246,296.44 - Step 6: Final answer
x = 191,630.59
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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.