Finding the Fourth Proportional to 115,556.40, 173,334.60 and 97,841.70
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Solution
The fourth proportional to 115,556.40, 173,334.60 and 97,841.70 is: 146,762.55
Step by Step Solution
- Step 1: Write the proportion equation
115,556.40 : 173,334.60 = 97,841.70 : x - Step 2: Convert to fraction form
115,556.40/173,334.60 = 97,841.70/x - Step 3: Cross multiply
115,556.40x = 173,334.60 × 97,841.70 - Step 4: Simplify right side
115,556.40x = 16,959,351,932.82 - Step 5: Solve for x
x = 16,959,351,932.82/115,556.40 - Step 6: Final answer
x = 146,762.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.