Finding the Fourth Proportional to 201,485.58, 278,072.49 and 110,849.01
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Solution
The fourth proportional to 201,485.58, 278,072.49 and 110,849.01 is: 152,983.95
Step by Step Solution
- Step 1: Write the proportion equation
201,485.58 : 278,072.49 = 110,849.01 : x - Step 2: Convert to fraction form
201,485.58/278,072.49 = 110,849.01/x - Step 3: Cross multiply
201,485.58x = 278,072.49 × 110,849.01 - Step 4: Simplify right side
201,485.58x = 30,824,059,597.65 - Step 5: Solve for x
x = 30,824,059,597.65/201,485.58 - Step 6: Final answer
x = 152,983.95
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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.