Finding the Fourth Proportional to 129,230.99, 193,846.65 and 62,680.92
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Solution
The fourth proportional to 129,230.99, 193,846.65 and 62,680.92 is: 94,021.46
Step by Step Solution
- Step 1: Write the proportion equation
129,230.99 : 193,846.65 = 62,680.92 : x - Step 2: Convert to fraction form
129,230.99/193,846.65 = 62,680.92/x - Step 3: Cross multiply
129,230.99x = 193,846.65 × 62,680.92 - Step 4: Simplify right side
129,230.99x = 12,150,486,360.92 - Step 5: Solve for x
x = 12,150,486,360.92/129,230.99 - Step 6: Final answer
x = 94,021.46
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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.