Finding the Fourth Proportional to 291,198.44, 436,616.73 and 122,631.98
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Solution
The fourth proportional to 291,198.44, 436,616.73 and 122,631.98 is: 183,871.77
Step by Step Solution
- Step 1: Write the proportion equation
291,198.44 : 436,616.73 = 122,631.98 : x - Step 2: Convert to fraction form
291,198.44/436,616.73 = 122,631.98/x - Step 3: Cross multiply
291,198.44x = 436,616.73 × 122,631.98 - Step 4: Simplify right side
291,198.44x = 53,543,171,917.94 - Step 5: Solve for x
x = 53,543,171,917.94/291,198.44 - Step 6: Final answer
x = 183,871.77
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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.