Finding the Fourth Proportional to 286,214.11, 394,936.36 and 171,467.08
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Solution
The fourth proportional to 286,214.11, 394,936.36 and 171,467.08 is: 236,601.14
Step by Step Solution
- Step 1: Write the proportion equation
286,214.11 : 394,936.36 = 171,467.08 : x - Step 2: Convert to fraction form
286,214.11/394,936.36 = 171,467.08/x - Step 3: Cross multiply
286,214.11x = 394,936.36 × 171,467.08 - Step 4: Simplify right side
286,214.11x = 67,718,583,019.02 - Step 5: Solve for x
x = 67,718,583,019.02/286,214.11 - Step 6: Final answer
x = 236,601.14
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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.