Finding the Fourth Proportional to 125,649.36, 188,497.38 and 41,415.42
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Solution
The fourth proportional to 125,649.36, 188,497.38 and 41,415.42 is: 62,130.82
Step by Step Solution
- Step 1: Write the proportion equation
125,649.36 : 188,497.38 = 41,415.42 : x - Step 2: Convert to fraction form
125,649.36/188,497.38 = 41,415.42/x - Step 3: Cross multiply
125,649.36x = 188,497.38 × 41,415.42 - Step 4: Simplify right side
125,649.36x = 7,806,698,161.60 - Step 5: Solve for x
x = 7,806,698,161.60/125,649.36 - Step 6: Final answer
x = 62,130.82
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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.