Finding the Fourth Proportional to 160,216.30, 240,340.74 and 55,021.60
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Solution
The fourth proportional to 160,216.30, 240,340.74 and 55,021.60 is: 82,537.99
Step by Step Solution
- Step 1: Write the proportion equation
160,216.30 : 240,340.74 = 55,021.60 : x - Step 2: Convert to fraction form
160,216.30/240,340.74 = 55,021.60/x - Step 3: Cross multiply
160,216.30x = 240,340.74 × 55,021.60 - Step 4: Simplify right side
160,216.30x = 13,223,932,059.98 - Step 5: Solve for x
x = 13,223,932,059.98/160,216.30 - Step 6: Final answer
x = 82,537.99
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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.