Finding the Fourth Proportional to 201,131.64, 301,697.19 and 51,372.09
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Solution
The fourth proportional to 201,131.64, 301,697.19 and 51,372.09 is: 77,058.07
Step by Step Solution
- Step 1: Write the proportion equation
201,131.64 : 301,697.19 = 51,372.09 : x - Step 2: Convert to fraction form
201,131.64/301,697.19 = 51,372.09/x - Step 3: Cross multiply
201,131.64x = 301,697.19 × 51,372.09 - Step 4: Simplify right side
201,131.64x = 15,498,815,197.43 - Step 5: Solve for x
x = 15,498,815,197.43/201,131.64 - Step 6: Final answer
x = 77,058.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.