Finding the Fourth Proportional to 446,183.76, 669,521.20 and 193,466.19
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Solution
The fourth proportional to 446,183.76, 669,521.20 and 193,466.19 is: 290,305.76
Step by Step Solution
- Step 1: Write the proportion equation
446,183.76 : 669,521.20 = 193,466.19 : x - Step 2: Convert to fraction form
446,183.76/669,521.20 = 193,466.19/x - Step 3: Cross multiply
446,183.76x = 669,521.20 × 193,466.19 - Step 4: Simplify right side
446,183.76x = 129,529,715,688.23 - Step 5: Solve for x
x = 129,529,715,688.23/446,183.76 - Step 6: Final answer
x = 290,305.76
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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.