Finding the Fourth Proportional to 246,157.84, 339,778.56 and 149,366.08
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Solution
The fourth proportional to 246,157.84, 339,778.56 and 149,366.08 is: 206,174.18
Step by Step Solution
- Step 1: Write the proportion equation
246,157.84 : 339,778.56 = 149,366.08 : x - Step 2: Convert to fraction form
246,157.84/339,778.56 = 149,366.08/x - Step 3: Cross multiply
246,157.84x = 339,778.56 × 149,366.08 - Step 4: Simplify right side
246,157.84x = 50,751,391,575.24 - Step 5: Solve for x
x = 50,751,391,575.24/246,157.84 - Step 6: Final answer
x = 206,174.18
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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.