Finding the Fourth Proportional to 160,823.26, 221,930.85 and 97,149.97
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Solution
The fourth proportional to 160,823.26, 221,930.85 and 97,149.97 is: 134,063.79
Step by Step Solution
- Step 1: Write the proportion equation
160,823.26 : 221,930.85 = 97,149.97 : x - Step 2: Convert to fraction form
160,823.26/221,930.85 = 97,149.97/x - Step 3: Cross multiply
160,823.26x = 221,930.85 × 97,149.97 - Step 4: Simplify right side
160,823.26x = 21,560,575,419.57 - Step 5: Solve for x
x = 21,560,575,419.57/160,823.26 - Step 6: Final answer
x = 134,063.79
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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.