Finding the Fourth Proportional to 295,739.36, 408,128.76 and 164,920.08
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Solution
The fourth proportional to 295,739.36, 408,128.76 and 164,920.08 is: 227,594.42
Step by Step Solution
- Step 1: Write the proportion equation
295,739.36 : 408,128.76 = 164,920.08 : x - Step 2: Convert to fraction form
295,739.36/408,128.76 = 164,920.08/x - Step 3: Cross multiply
295,739.36x = 408,128.76 × 164,920.08 - Step 4: Simplify right side
295,739.36x = 67,308,627,749.50 - Step 5: Solve for x
x = 67,308,627,749.50/295,739.36 - Step 6: Final answer
x = 227,594.42
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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.