Finding the Fourth Proportional to 187,491.36, 258,618.64 and 130,882.08
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Solution
The fourth proportional to 187,491.36, 258,618.64 and 130,882.08 is: 180,533.90
Step by Step Solution
- Step 1: Write the proportion equation
187,491.36 : 258,618.64 = 130,882.08 : x - Step 2: Convert to fraction form
187,491.36/258,618.64 = 130,882.08/x - Step 3: Cross multiply
187,491.36x = 258,618.64 × 130,882.08 - Step 4: Simplify right side
187,491.36x = 33,848,545,529.97 - Step 5: Solve for x
x = 33,848,545,529.97/187,491.36 - Step 6: Final answer
x = 180,533.90
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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.