Finding the Fourth Proportional to 225,936.46, 338,452.84 and 135,929.53
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Solution
The fourth proportional to 225,936.46, 338,452.84 and 135,929.53 is: 203,622.45
Step by Step Solution
- Step 1: Write the proportion equation
225,936.46 : 338,452.84 = 135,929.53 : x - Step 2: Convert to fraction form
225,936.46/338,452.84 = 135,929.53/x - Step 3: Cross multiply
225,936.46x = 338,452.84 × 135,929.53 - Step 4: Simplify right side
225,936.46x = 46,005,735,468.37 - Step 5: Solve for x
x = 46,005,735,468.37/225,936.46 - Step 6: Final answer
x = 203,622.45
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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.