Finding the Fourth Proportional to 201,791.24, 302,529.88 and 130,563.36
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Solution
The fourth proportional to 201,791.24, 302,529.88 and 130,563.36 is: 195,743.47
Step by Step Solution
- Step 1: Write the proportion equation
201,791.24 : 302,529.88 = 130,563.36 : x - Step 2: Convert to fraction form
201,791.24/302,529.88 = 130,563.36/x - Step 3: Cross multiply
201,791.24x = 302,529.88 × 130,563.36 - Step 4: Simplify right side
201,791.24x = 39,499,317,633.20 - Step 5: Solve for x
x = 39,499,317,633.20/201,791.24 - Step 6: Final answer
x = 195,743.47
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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.