Finding the Fourth Proportional to 262,578.14, 362,355.99 and 143,346.14
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Solution
The fourth proportional to 262,578.14, 362,355.99 and 143,346.14 is: 197,816.67
Step by Step Solution
- Step 1: Write the proportion equation
262,578.14 : 362,355.99 = 143,346.14 : x - Step 2: Convert to fraction form
262,578.14/362,355.99 = 143,346.14/x - Step 3: Cross multiply
262,578.14x = 362,355.99 × 143,346.14 - Step 4: Simplify right side
262,578.14x = 51,942,332,472.38 - Step 5: Solve for x
x = 51,942,332,472.38/262,578.14 - Step 6: Final answer
x = 197,816.67
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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.