Finding the Fourth Proportional to 225,813.04, 311,635.79 and 130,325.88
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Solution
The fourth proportional to 225,813.04, 311,635.79 and 130,325.88 is: 179,857.68
Step by Step Solution
- Step 1: Write the proportion equation
225,813.04 : 311,635.79 = 130,325.88 : x - Step 2: Convert to fraction form
225,813.04/311,635.79 = 130,325.88/x - Step 3: Cross multiply
225,813.04x = 311,635.79 × 130,325.88 - Step 4: Simplify right side
225,813.04x = 40,614,208,571.25 - Step 5: Solve for x
x = 40,614,208,571.25/225,813.04 - Step 6: Final answer
x = 179,857.68
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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.