Finding the Fourth Proportional to 218,453.05, 327,758.48 and 76,319.31
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Solution
The fourth proportional to 218,453.05, 327,758.48 and 76,319.31 is: 114,506.54
Step by Step Solution
- Step 1: Write the proportion equation
218,453.05 : 327,758.48 = 76,319.31 : x - Step 2: Convert to fraction form
218,453.05/327,758.48 = 76,319.31/x - Step 3: Cross multiply
218,453.05x = 327,758.48 × 76,319.31 - Step 4: Simplify right side
218,453.05x = 25,014,301,959.30 - Step 5: Solve for x
x = 25,014,301,959.30/218,453.05 - Step 6: Final answer
x = 114,506.54
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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.