Finding the Fourth Proportional to 396,730.45, 595,183.16 and 130,480.21
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Solution
The fourth proportional to 396,730.45, 595,183.16 and 130,480.21 is: 195,749.09
Step by Step Solution
- Step 1: Write the proportion equation
396,730.45 : 595,183.16 = 130,480.21 : x - Step 2: Convert to fraction form
396,730.45/595,183.16 = 130,480.21/x - Step 3: Cross multiply
396,730.45x = 595,183.16 × 130,480.21 - Step 4: Simplify right side
396,730.45x = 77,659,623,705.26 - Step 5: Solve for x
x = 77,659,623,705.26/396,730.45 - Step 6: Final answer
x = 195,749.09
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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.