Finding the Fourth Proportional to 373,873.71, 515,943.09 and 204,107.84
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Solution
The fourth proportional to 373,873.71, 515,943.09 and 204,107.84 is: 281,667.38
Step by Step Solution
- Step 1: Write the proportion equation
373,873.71 : 515,943.09 = 204,107.84 : x - Step 2: Convert to fraction form
373,873.71/515,943.09 = 204,107.84/x - Step 3: Cross multiply
373,873.71x = 515,943.09 × 204,107.84 - Step 4: Simplify right side
373,873.71x = 105,308,027,083.11 - Step 5: Solve for x
x = 105,308,027,083.11/373,873.71 - Step 6: Final answer
x = 281,667.38
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1.5x scale
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.