Finding the Fourth Proportional to 280,735.05, 421,320.95 and 195,944.38
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Solution
The fourth proportional to 280,735.05, 421,320.95 and 195,944.38 is: 294,068.99
Step by Step Solution
- Step 1: Write the proportion equation
280,735.05 : 421,320.95 = 195,944.38 : x - Step 2: Convert to fraction form
280,735.05/421,320.95 = 195,944.38/x - Step 3: Cross multiply
280,735.05x = 421,320.95 × 195,944.38 - Step 4: Simplify right side
280,735.05x = 82,555,472,353.27 - Step 5: Solve for x
x = 82,555,472,353.27/280,735.05 - Step 6: Final answer
x = 294,068.99
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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.