Finding the Fourth Proportional to 268,186.24, 370,163.52 and 154,992.64
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Solution
The fourth proportional to 268,186.24, 370,163.52 and 154,992.64 is: 213,928.28
Step by Step Solution
- Step 1: Write the proportion equation
268,186.24 : 370,163.52 = 154,992.64 : x - Step 2: Convert to fraction form
268,186.24/370,163.52 = 154,992.64/x - Step 3: Cross multiply
268,186.24x = 370,163.52 × 154,992.64 - Step 4: Simplify right side
268,186.24x = 57,372,621,196.49 - Step 5: Solve for x
x = 57,372,621,196.49/268,186.24 - Step 6: Final answer
x = 213,928.28
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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.