Finding the Fourth Proportional to 330,648.06, 456,344.28 and 201,661.32
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Solution
The fourth proportional to 330,648.06, 456,344.28 and 201,661.32 is: 278,323.09
Step by Step Solution
- Step 1: Write the proportion equation
330,648.06 : 456,344.28 = 201,661.32 : x - Step 2: Convert to fraction form
330,648.06/456,344.28 = 201,661.32/x - Step 3: Cross multiply
330,648.06x = 456,344.28 × 201,661.32 - Step 4: Simplify right side
330,648.06x = 92,026,989,879.25 - Step 5: Solve for x
x = 92,026,989,879.25/330,648.06 - Step 6: Final answer
x = 278,323.09
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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.