Finding the Fourth Proportional to 286,906.07, 430,201.11 and 118,388.09
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Solution
The fourth proportional to 286,906.07, 430,201.11 and 118,388.09 is: 177,516.94
Step by Step Solution
- Step 1: Write the proportion equation
286,906.07 : 430,201.11 = 118,388.09 : x - Step 2: Convert to fraction form
286,906.07/430,201.11 = 118,388.09/x - Step 3: Cross multiply
286,906.07x = 430,201.11 × 118,388.09 - Step 4: Simplify right side
286,906.07x = 50,930,687,728.78 - Step 5: Solve for x
x = 50,930,687,728.78/286,906.07 - Step 6: Final answer
x = 177,516.94
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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.