Finding the Fourth Proportional to 226,254.21, 312,247.53 and 140,230.08
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Solution
The fourth proportional to 226,254.21, 312,247.53 and 140,230.08 is: 193,527.87
Step by Step Solution
- Step 1: Write the proportion equation
226,254.21 : 312,247.53 = 140,230.08 : x - Step 2: Convert to fraction form
226,254.21/312,247.53 = 140,230.08/x - Step 3: Cross multiply
226,254.21x = 312,247.53 × 140,230.08 - Step 4: Simplify right side
226,254.21x = 43,786,496,111.70 - Step 5: Solve for x
x = 43,786,496,111.70/226,254.21 - Step 6: Final answer
x = 193,527.87
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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.