Finding the Fourth Proportional to 197,704.20, 296,556.30 and 97,879.80
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Solution
The fourth proportional to 197,704.20, 296,556.30 and 97,879.80 is: 146,819.70
Step by Step Solution
- Step 1: Write the proportion equation
197,704.20 : 296,556.30 = 97,879.80 : x - Step 2: Convert to fraction form
197,704.20/296,556.30 = 97,879.80/x - Step 3: Cross multiply
197,704.20x = 296,556.30 × 97,879.80 - Step 4: Simplify right side
197,704.20x = 29,026,871,332.74 - Step 5: Solve for x
x = 29,026,871,332.74/197,704.20 - Step 6: Final answer
x = 146,819.70
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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.