Finding the Fourth Proportional to 183,907.72, 253,908.84 and 120,352.96
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Solution
The fourth proportional to 183,907.72, 253,908.84 and 120,352.96 is: 166,163.12
Step by Step Solution
- Step 1: Write the proportion equation
183,907.72 : 253,908.84 = 120,352.96 : x - Step 2: Convert to fraction form
183,907.72/253,908.84 = 120,352.96/x - Step 3: Cross multiply
183,907.72x = 253,908.84 × 120,352.96 - Step 4: Simplify right side
183,907.72x = 30,558,680,464.17 - Step 5: Solve for x
x = 30,558,680,464.17/183,907.72 - Step 6: Final answer
x = 166,163.12
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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.