Finding the Fourth Proportional to 276,196.19, 414,306.02 and 76,511.75
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Solution
The fourth proportional to 276,196.19, 414,306.02 and 76,511.75 is: 114,770.87
Step by Step Solution
- Step 1: Write the proportion equation
276,196.19 : 414,306.02 = 76,511.75 : x - Step 2: Convert to fraction form
276,196.19/414,306.02 = 76,511.75/x - Step 3: Cross multiply
276,196.19x = 414,306.02 × 76,511.75 - Step 4: Simplify right side
276,196.19x = 31,699,276,745.48 - Step 5: Solve for x
x = 31,699,276,745.48/276,196.19 - Step 6: Final answer
x = 114,770.87
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1.5x scale
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.