Finding the Fourth Proportional to 168,351.44, 232,321.48 and 91,866.96
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Solution
The fourth proportional to 168,351.44, 232,321.48 and 91,866.96 is: 126,774.49
Step by Step Solution
- Step 1: Write the proportion equation
168,351.44 : 232,321.48 = 91,866.96 : x - Step 2: Convert to fraction form
168,351.44/232,321.48 = 91,866.96/x - Step 3: Cross multiply
168,351.44x = 232,321.48 × 91,866.96 - Step 4: Simplify right side
168,351.44x = 21,342,668,110.30 - Step 5: Solve for x
x = 21,342,668,110.30/168,351.44 - Step 6: Final answer
x = 126,774.49
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1.5x scale
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.