Finding the Fourth Proportional to 381,855.99, 526,902.75 and 220,679.94
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Solution
The fourth proportional to 381,855.99, 526,902.75 and 220,679.94 is: 304,504.50
Step by Step Solution
- Step 1: Write the proportion equation
381,855.99 : 526,902.75 = 220,679.94 : x - Step 2: Convert to fraction form
381,855.99/526,902.75 = 220,679.94/x - Step 3: Cross multiply
381,855.99x = 526,902.75 × 220,679.94 - Step 4: Simplify right side
381,855.99x = 116,276,867,255.84 - Step 5: Solve for x
x = 116,276,867,255.84/381,855.99 - Step 6: Final answer
x = 304,504.50
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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.