Finding the Fourth Proportional to 125,394.21, 188,120.48 and 36,648.99
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Solution
The fourth proportional to 125,394.21, 188,120.48 and 36,648.99 is: 54,982.01
Step by Step Solution
- Step 1: Write the proportion equation
125,394.21 : 188,120.48 = 36,648.99 : x - Step 2: Convert to fraction form
125,394.21/188,120.48 = 36,648.99/x - Step 3: Cross multiply
125,394.21x = 188,120.48 × 36,648.99 - Step 4: Simplify right side
125,394.21x = 6,894,425,407.07 - Step 5: Solve for x
x = 6,894,425,407.07/125,394.21 - Step 6: Final answer
x = 54,982.01
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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.