Finding the Fourth Proportional to 472,239.21, 708,150.37 and 135,203.38
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Solution
The fourth proportional to 472,239.21, 708,150.37 and 135,203.38 is: 202,745.39
Step by Step Solution
- Step 1: Write the proportion equation
472,239.21 : 708,150.37 = 135,203.38 : x - Step 2: Convert to fraction form
472,239.21/708,150.37 = 135,203.38/x - Step 3: Cross multiply
472,239.21x = 708,150.37 × 135,203.38 - Step 4: Simplify right side
472,239.21x = 95,744,322,097.63 - Step 5: Solve for x
x = 95,744,322,097.63/472,239.21 - Step 6: Final answer
x = 202,745.39
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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.