Finding the Fourth Proportional to 263,299.44, 363,299.52 and 155,815.68
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Solution
The fourth proportional to 263,299.44, 363,299.52 and 155,815.68 is: 214,993.86
Step by Step Solution
- Step 1: Write the proportion equation
263,299.44 : 363,299.52 = 155,815.68 : x - Step 2: Convert to fraction form
263,299.44/363,299.52 = 155,815.68/x - Step 3: Cross multiply
263,299.44x = 363,299.52 × 155,815.68 - Step 4: Simplify right side
263,299.44x = 56,607,761,752.47 - Step 5: Solve for x
x = 56,607,761,752.47/263,299.44 - Step 6: Final answer
x = 214,993.86
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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.