Finding the Fourth Proportional to 125,493.40, 188,226.33 and 36,747.79
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Solution
The fourth proportional to 125,493.40, 188,226.33 and 36,747.79 is: 55,117.65
Step by Step Solution
- Step 1: Write the proportion equation
125,493.40 : 188,226.33 = 36,747.79 : x - Step 2: Convert to fraction form
125,493.40/188,226.33 = 36,747.79/x - Step 3: Cross multiply
125,493.40x = 188,226.33 × 36,747.79 - Step 4: Simplify right side
125,493.40x = 6,916,901,647.31 - Step 5: Solve for x
x = 6,916,901,647.31/125,493.40 - Step 6: Final answer
x = 55,117.65
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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.