Finding the Fourth Proportional to 221,455.09, 332,021.71 and 88,295.41
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Solution
The fourth proportional to 221,455.09, 332,021.71 and 88,295.41 is: 132,378.95
Step by Step Solution
- Step 1: Write the proportion equation
221,455.09 : 332,021.71 = 88,295.41 : x - Step 2: Convert to fraction form
221,455.09/332,021.71 = 88,295.41/x - Step 3: Cross multiply
221,455.09x = 332,021.71 × 88,295.41 - Step 4: Simplify right side
221,455.09x = 29,315,993,013.35 - Step 5: Solve for x
x = 29,315,993,013.35/221,455.09 - Step 6: Final answer
x = 132,378.95
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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.