Finding the Fourth Proportional to 160,578.70, 221,622.18 and 92,582.38
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Solution
The fourth proportional to 160,578.70, 221,622.18 and 92,582.38 is: 127,777.28
Step by Step Solution
- Step 1: Write the proportion equation
160,578.70 : 221,622.18 = 92,582.38 : x - Step 2: Convert to fraction form
160,578.70/221,622.18 = 92,582.38/x - Step 3: Cross multiply
160,578.70x = 221,622.18 × 92,582.38 - Step 4: Simplify right side
160,578.70x = 20,518,308,885.19 - Step 5: Solve for x
x = 20,518,308,885.19/160,578.70 - Step 6: Final answer
x = 127,777.28
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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.