Finding the Fourth Proportional to 225,356.73, 311,202.99 and 144,923.91
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Solution
The fourth proportional to 225,356.73, 311,202.99 and 144,923.91 is: 200,130.50
Step by Step Solution
- Step 1: Write the proportion equation
225,356.73 : 311,202.99 = 144,923.91 : x - Step 2: Convert to fraction form
225,356.73/311,202.99 = 144,923.91/x - Step 3: Cross multiply
225,356.73x = 311,202.99 × 144,923.91 - Step 4: Simplify right side
225,356.73x = 45,100,754,114.49 - Step 5: Solve for x
x = 45,100,754,114.49/225,356.73 - Step 6: Final answer
x = 200,130.50
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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.