Finding the Fourth Proportional to 229,455.72, 344,131.68 and 87,250.26
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Solution
The fourth proportional to 229,455.72, 344,131.68 and 87,250.26 is: 130,855.66
Step by Step Solution
- Step 1: Write the proportion equation
229,455.72 : 344,131.68 = 87,250.26 : x - Step 2: Convert to fraction form
229,455.72/344,131.68 = 87,250.26/x - Step 3: Cross multiply
229,455.72x = 344,131.68 × 87,250.26 - Step 4: Simplify right side
229,455.72x = 30,025,578,554.24 - Step 5: Solve for x
x = 30,025,578,554.24/229,455.72 - Step 6: Final answer
x = 130,855.66
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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.