Finding the Fourth Proportional to 262,201.64, 361,838.34 and 149,021.48
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Solution
The fourth proportional to 262,201.64, 361,838.34 and 149,021.48 is: 205,649.69
Step by Step Solution
- Step 1: Write the proportion equation
262,201.64 : 361,838.34 = 149,021.48 : x - Step 2: Convert to fraction form
262,201.64/361,838.34 = 149,021.48/x - Step 3: Cross multiply
262,201.64x = 361,838.34 × 149,021.48 - Step 4: Simplify right side
262,201.64x = 53,921,684,947.54 - Step 5: Solve for x
x = 53,921,684,947.54/262,201.64 - Step 6: Final answer
x = 205,649.69
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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.