Finding the Fourth Proportional to 225,728.49, 311,303.55 and 149,325.65
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Solution
The fourth proportional to 225,728.49, 311,303.55 and 149,325.65 is: 205,935.92
Step by Step Solution
- Step 1: Write the proportion equation
225,728.49 : 311,303.55 = 149,325.65 : x - Step 2: Convert to fraction form
225,728.49/311,303.55 = 149,325.65/x - Step 3: Cross multiply
225,728.49x = 311,303.55 × 149,325.65 - Step 4: Simplify right side
225,728.49x = 46,485,605,121.90 - Step 5: Solve for x
x = 46,485,605,121.90/225,728.49 - Step 6: Final answer
x = 205,935.92
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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.