Finding the Fourth Proportional to 225,846.63, 338,840.11 and 135,988.27
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Solution
The fourth proportional to 225,846.63, 338,840.11 and 135,988.27 is: 204,024.65
Step by Step Solution
- Step 1: Write the proportion equation
225,846.63 : 338,840.11 = 135,988.27 : x - Step 2: Convert to fraction form
225,846.63/338,840.11 = 135,988.27/x - Step 3: Cross multiply
225,846.63x = 338,840.11 × 135,988.27 - Step 4: Simplify right side
225,846.63x = 46,078,279,688.39 - Step 5: Solve for x
x = 46,078,279,688.39/225,846.63 - Step 6: Final answer
x = 204,024.65
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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.