Finding the Fourth Proportional to 378,464.10, 567,805.71 and 112,231.00
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Solution
The fourth proportional to 378,464.10, 567,805.71 and 112,231.00 is: 168,378.99
Step by Step Solution
- Step 1: Write the proportion equation
378,464.10 : 567,805.71 = 112,231.00 : x - Step 2: Convert to fraction form
378,464.10/567,805.71 = 112,231.00/x - Step 3: Cross multiply
378,464.10x = 567,805.71 × 112,231.00 - Step 4: Simplify right side
378,464.10x = 63,725,403,769.63 - Step 5: Solve for x
x = 63,725,403,769.63/378,464.10 - Step 6: Final answer
x = 168,378.99
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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.