Finding the Fourth Proportional to 217,247.12, 299,800.98 and 120,450.68
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Solution
The fourth proportional to 217,247.12, 299,800.98 and 120,450.68 is: 166,221.91
Step by Step Solution
- Step 1: Write the proportion equation
217,247.12 : 299,800.98 = 120,450.68 : x - Step 2: Convert to fraction form
217,247.12/299,800.98 = 120,450.68/x - Step 3: Cross multiply
217,247.12x = 299,800.98 × 120,450.68 - Step 4: Simplify right side
217,247.12x = 36,111,230,406.66 - Step 5: Solve for x
x = 36,111,230,406.66/217,247.12 - Step 6: Final answer
x = 166,221.91
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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.