Finding the Fourth Proportional to 244,203.20, 366,249.36 and 86,431.58
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Solution
The fourth proportional to 244,203.20, 366,249.36 and 86,431.58 is: 129,627.75
Step by Step Solution
- Step 1: Write the proportion equation
244,203.20 : 366,249.36 = 86,431.58 : x - Step 2: Convert to fraction form
244,203.20/366,249.36 = 86,431.58/x - Step 3: Cross multiply
244,203.20x = 366,249.36 × 86,431.58 - Step 4: Simplify right side
244,203.20x = 31,655,510,858.79 - Step 5: Solve for x
x = 31,655,510,858.79/244,203.20 - Step 6: Final answer
x = 129,627.75
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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.