Finding the Fourth Proportional to 330,044.24, 455,382.96 and 186,804.26
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Solution
The fourth proportional to 330,044.24, 455,382.96 and 186,804.26 is: 257,745.68
Step by Step Solution
- Step 1: Write the proportion equation
330,044.24 : 455,382.96 = 186,804.26 : x - Step 2: Convert to fraction form
330,044.24/455,382.96 = 186,804.26/x - Step 3: Cross multiply
330,044.24x = 455,382.96 × 186,804.26 - Step 4: Simplify right side
330,044.24x = 85,067,476,859.41 - Step 5: Solve for x
x = 85,067,476,859.41/330,044.24 - Step 6: Final answer
x = 257,745.68
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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.