Finding the Fourth Proportional to 348,210.63, 522,232.11 and 221,661.09
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Solution
The fourth proportional to 348,210.63, 522,232.11 and 221,661.09 is: 332,438.27
Step by Step Solution
- Step 1: Write the proportion equation
348,210.63 : 522,232.11 = 221,661.09 : x - Step 2: Convert to fraction form
348,210.63/522,232.11 = 221,661.09/x - Step 3: Cross multiply
348,210.63x = 522,232.11 × 221,661.09 - Step 4: Simplify right side
348,210.63x = 115,758,538,735.60 - Step 5: Solve for x
x = 115,758,538,735.60/348,210.63 - Step 6: Final answer
x = 332,438.27
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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.