Finding the Fourth Proportional to 505,251.42, 697,247.58 and 278,896.92
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Solution
The fourth proportional to 505,251.42, 697,247.58 and 278,896.92 is: 384,878.09
Step by Step Solution
- Step 1: Write the proportion equation
505,251.42 : 697,247.58 = 278,896.92 : x - Step 2: Convert to fraction form
505,251.42/697,247.58 = 278,896.92/x - Step 3: Cross multiply
505,251.42x = 697,247.58 × 278,896.92 - Step 4: Simplify right side
505,251.42x = 194,460,202,539.45 - Step 5: Solve for x
x = 194,460,202,539.45/505,251.42 - Step 6: Final answer
x = 384,878.09
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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.