Finding the Fourth Proportional to 160,810.44, 221,662.08 and 126,763.44
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Solution
The fourth proportional to 160,810.44, 221,662.08 and 126,763.44 is: 174,731.49
Step by Step Solution
- Step 1: Write the proportion equation
160,810.44 : 221,662.08 = 126,763.44 : x - Step 2: Convert to fraction form
160,810.44/221,662.08 = 126,763.44/x - Step 3: Cross multiply
160,810.44x = 221,662.08 × 126,763.44 - Step 4: Simplify right side
160,810.44x = 28,098,647,778.36 - Step 5: Solve for x
x = 28,098,647,778.36/160,810.44 - Step 6: Final answer
x = 174,731.49
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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.