Finding the Fourth Proportional to 160,285.92, 221,190.12 and 88,668.96
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Solution
The fourth proportional to 160,285.92, 221,190.12 and 88,668.96 is: 122,360.70
Step by Step Solution
- Step 1: Write the proportion equation
160,285.92 : 221,190.12 = 88,668.96 : x - Step 2: Convert to fraction form
160,285.92/221,190.12 = 88,668.96/x - Step 3: Cross multiply
160,285.92x = 221,190.12 × 88,668.96 - Step 4: Simplify right side
160,285.92x = 19,612,697,902.68 - Step 5: Solve for x
x = 19,612,697,902.68/160,285.92 - Step 6: Final answer
x = 122,360.70
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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.