Finding the Fourth Proportional to 251,190.75, 346,647.16 and 136,471.67
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Solution
The fourth proportional to 251,190.75, 346,647.16 and 136,471.67 is: 188,333.03
Step by Step Solution
- Step 1: Write the proportion equation
251,190.75 : 346,647.16 = 136,471.67 : x - Step 2: Convert to fraction form
251,190.75/346,647.16 = 136,471.67/x - Step 3: Cross multiply
251,190.75x = 346,647.16 × 136,471.67 - Step 4: Simplify right side
251,190.75x = 47,307,516,563.24 - Step 5: Solve for x
x = 47,307,516,563.24/251,190.75 - Step 6: Final answer
x = 188,333.03
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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.