Finding the Fourth Proportional to 160,809.44, 221,660.70 and 126,762.44
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Solution
The fourth proportional to 160,809.44, 221,660.70 and 126,762.44 is: 174,730.11
Step by Step Solution
- Step 1: Write the proportion equation
160,809.44 : 221,660.70 = 126,762.44 : x - Step 2: Convert to fraction form
160,809.44/221,660.70 = 126,762.44/x - Step 3: Cross multiply
160,809.44x = 221,660.70 × 126,762.44 - Step 4: Simplify right side
160,809.44x = 28,098,251,184.11 - Step 5: Solve for x
x = 28,098,251,184.11/160,809.44 - Step 6: Final answer
x = 174,730.11
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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.