Finding the Fourth Proportional to 236,563.28, 354,950.52 and 128,525.44
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Solution
The fourth proportional to 236,563.28, 354,950.52 and 128,525.44 is: 192,845.53
Step by Step Solution
- Step 1: Write the proportion equation
236,563.28 : 354,950.52 = 128,525.44 : x - Step 2: Convert to fraction form
236,563.28/354,950.52 = 128,525.44/x - Step 3: Cross multiply
236,563.28x = 354,950.52 × 128,525.44 - Step 4: Simplify right side
236,563.28x = 45,620,171,761.23 - Step 5: Solve for x
x = 45,620,171,761.23/236,563.28 - Step 6: Final answer
x = 192,845.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.