Finding the Fourth Proportional to 199,220.21, 274,920.48 and 108,576.96
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Solution
The fourth proportional to 199,220.21, 274,920.48 and 108,576.96 is: 149,834.34
Step by Step Solution
- Step 1: Write the proportion equation
199,220.21 : 274,920.48 = 108,576.96 : x - Step 2: Convert to fraction form
199,220.21/274,920.48 = 108,576.96/x - Step 3: Cross multiply
199,220.21x = 274,920.48 × 108,576.96 - Step 4: Simplify right side
199,220.21x = 29,850,028,929.19 - Step 5: Solve for x
x = 29,850,028,929.19/199,220.21 - Step 6: Final answer
x = 149,834.34
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1.5x scale
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.