Finding the Fourth Proportional to 127,845.09, 191,852.42 and 44,739.09
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Solution
The fourth proportional to 127,845.09, 191,852.42 and 44,739.09 is: 67,138.30
Step by Step Solution
- Step 1: Write the proportion equation
127,845.09 : 191,852.42 = 44,739.09 : x - Step 2: Convert to fraction form
127,845.09/191,852.42 = 44,739.09/x - Step 3: Cross multiply
127,845.09x = 191,852.42 × 44,739.09 - Step 4: Simplify right side
127,845.09x = 8,583,302,461.40 - Step 5: Solve for x
x = 8,583,302,461.40/127,845.09 - Step 6: Final answer
x = 67,138.30
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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.