Finding the Fourth Proportional to 331,422.24, 497,151.60 and 106,766.40
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Solution
The fourth proportional to 331,422.24, 497,151.60 and 106,766.40 is: 160,155.48
Step by Step Solution
- Step 1: Write the proportion equation
331,422.24 : 497,151.60 = 106,766.40 : x - Step 2: Convert to fraction form
331,422.24/497,151.60 = 106,766.40/x - Step 3: Cross multiply
331,422.24x = 497,151.60 × 106,766.40 - Step 4: Simplify right side
331,422.24x = 53,079,086,586.24 - Step 5: Solve for x
x = 53,079,086,586.24/331,422.24 - Step 6: Final answer
x = 160,155.48
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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.