Finding the Fourth Proportional to 159,458.56, 239,193.33 and 84,477.26
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Solution
The fourth proportional to 159,458.56, 239,193.33 and 84,477.26 is: 126,718.80
Step by Step Solution
- Step 1: Write the proportion equation
159,458.56 : 239,193.33 = 84,477.26 : x - Step 2: Convert to fraction form
159,458.56/239,193.33 = 84,477.26/x - Step 3: Cross multiply
159,458.56x = 239,193.33 × 84,477.26 - Step 4: Simplify right side
159,458.56x = 20,206,397,128.68 - Step 5: Solve for x
x = 20,206,397,128.68/159,458.56 - Step 6: Final answer
x = 126,718.80
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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.