Finding the Fourth Proportional to 239,163.64, 358,745.46 and 208,370.68
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Solution
The fourth proportional to 239,163.64, 358,745.46 and 208,370.68 is: 312,556.02
Step by Step Solution
- Step 1: Write the proportion equation
239,163.64 : 358,745.46 = 208,370.68 : x - Step 2: Convert to fraction form
239,163.64/358,745.46 = 208,370.68/x - Step 3: Cross multiply
239,163.64x = 358,745.46 × 208,370.68 - Step 4: Simplify right side
239,163.64x = 74,752,035,447.11 - Step 5: Solve for x
x = 74,752,035,447.11/239,163.64 - Step 6: Final answer
x = 312,556.02
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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.