Finding the Fourth Proportional to 160,104.05, 220,964.70 and 154,846.53
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Solution
The fourth proportional to 160,104.05, 220,964.70 and 154,846.53 is: 213,708.64
Step by Step Solution
- Step 1: Write the proportion equation
160,104.05 : 220,964.70 = 154,846.53 : x - Step 2: Convert to fraction form
160,104.05/220,964.70 = 154,846.53/x - Step 3: Cross multiply
160,104.05x = 220,964.70 × 154,846.53 - Step 4: Simplify right side
160,104.05x = 34,215,617,047.49 - Step 5: Solve for x
x = 34,215,617,047.49/160,104.05 - Step 6: Final answer
x = 213,708.64
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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.