Finding the Fourth Proportional to 201,357.21, 277,880.09 and 110,720.08
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Solution
The fourth proportional to 201,357.21, 277,880.09 and 110,720.08 is: 152,797.64
Step by Step Solution
- Step 1: Write the proportion equation
201,357.21 : 277,880.09 = 110,720.08 : x - Step 2: Convert to fraction form
201,357.21/277,880.09 = 110,720.08/x - Step 3: Cross multiply
201,357.21x = 277,880.09 × 110,720.08 - Step 4: Simplify right side
201,357.21x = 30,766,905,795.21 - Step 5: Solve for x
x = 30,766,905,795.21/201,357.21 - Step 6: Final answer
x = 152,797.64
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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.