Finding the Fourth Proportional to 322,867.26, 445,371.28 and 201,798.43
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Solution
The fourth proportional to 322,867.26, 445,371.28 and 201,798.43 is: 278,365.86
Step by Step Solution
- Step 1: Write the proportion equation
322,867.26 : 445,371.28 = 201,798.43 : x - Step 2: Convert to fraction form
322,867.26/445,371.28 = 201,798.43/x - Step 3: Cross multiply
322,867.26x = 445,371.28 × 201,798.43 - Step 4: Simplify right side
322,867.26x = 89,875,223,453.17 - Step 5: Solve for x
x = 89,875,223,453.17/322,867.26 - Step 6: Final answer
x = 278,365.86
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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.