Finding the Fourth Proportional to 286,879.37, 395,869.11 and 166,028.13
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Solution
The fourth proportional to 286,879.37, 395,869.11 and 166,028.13 is: 229,104.69
Step by Step Solution
- Step 1: Write the proportion equation
286,879.37 : 395,869.11 = 166,028.13 : x - Step 2: Convert to fraction form
286,879.37/395,869.11 = 166,028.13/x - Step 3: Cross multiply
286,879.37x = 395,869.11 × 166,028.13 - Step 4: Simplify right side
286,879.37x = 65,725,408,058.06 - Step 5: Solve for x
x = 65,725,408,058.06/286,879.37 - Step 6: Final answer
x = 229,104.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.