Finding the Fourth Proportional to 226,048.41, 311,974.43 and 130,554.99
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Solution
The fourth proportional to 226,048.41, 311,974.43 and 130,554.99 is: 180,181.84
Step by Step Solution
- Step 1: Write the proportion equation
226,048.41 : 311,974.43 = 130,554.99 : x - Step 2: Convert to fraction form
226,048.41/311,974.43 = 130,554.99/x - Step 3: Cross multiply
226,048.41x = 311,974.43 × 130,554.99 - Step 4: Simplify right side
226,048.41x = 40,729,817,936.13 - Step 5: Solve for x
x = 40,729,817,936.13/226,048.41 - Step 6: Final answer
x = 180,181.84
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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.