Finding the Fourth Proportional to 441,147.15, 661,745.84 and 125,579.25
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Solution
The fourth proportional to 441,147.15, 661,745.84 and 125,579.25 is: 188,376.02
Step by Step Solution
- Step 1: Write the proportion equation
441,147.15 : 661,745.84 = 125,579.25 : x - Step 2: Convert to fraction form
441,147.15/661,745.84 = 125,579.25/x - Step 3: Cross multiply
441,147.15x = 661,745.84 × 125,579.25 - Step 4: Simplify right side
441,147.15x = 83,101,545,649.92 - Step 5: Solve for x
x = 83,101,545,649.92/441,147.15 - Step 6: Final answer
x = 188,376.02
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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.