Finding the Fourth Proportional to 126,928.32, 190,370.97 and 59,467.38
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Solution
The fourth proportional to 126,928.32, 190,370.97 and 59,467.38 is: 89,190.99
Step by Step Solution
- Step 1: Write the proportion equation
126,928.32 : 190,370.97 = 59,467.38 : x - Step 2: Convert to fraction form
126,928.32/190,370.97 = 59,467.38/x - Step 3: Cross multiply
126,928.32x = 190,370.97 × 59,467.38 - Step 4: Simplify right side
126,928.32x = 11,320,862,813.96 - Step 5: Solve for x
x = 11,320,862,813.96/126,928.32 - Step 6: Final answer
x = 89,190.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.