Finding the Fourth Proportional to 190,768.41, 263,260.55 and 114,331.88
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Solution
The fourth proportional to 190,768.41, 263,260.55 and 114,331.88 is: 157,778.07
Step by Step Solution
- Step 1: Write the proportion equation
190,768.41 : 263,260.55 = 114,331.88 : x - Step 2: Convert to fraction form
190,768.41/263,260.55 = 114,331.88/x - Step 3: Cross multiply
190,768.41x = 263,260.55 × 114,331.88 - Step 4: Simplify right side
190,768.41x = 30,099,071,723.37 - Step 5: Solve for x
x = 30,099,071,723.37/190,768.41 - Step 6: Final answer
x = 157,778.07
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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.