Finding the Fourth Proportional to 632,138.97, 872,183.66 and 360,201.05
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Solution
The fourth proportional to 632,138.97, 872,183.66 and 360,201.05 is: 496,981.65
Step by Step Solution
- Step 1: Write the proportion equation
632,138.97 : 872,183.66 = 360,201.05 : x - Step 2: Convert to fraction form
632,138.97/872,183.66 = 360,201.05/x - Step 3: Cross multiply
632,138.97x = 872,183.66 × 360,201.05 - Step 4: Simplify right side
632,138.97x = 314,161,470,124.84 - Step 5: Solve for x
x = 314,161,470,124.84/632,138.97 - Step 6: Final answer
x = 496,981.65
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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.