Finding the Fourth Proportional to 414,728.67, 622,201.64 and 130,407.73
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Solution
The fourth proportional to 414,728.67, 622,201.64 and 130,407.73 is: 195,645.75
Step by Step Solution
- Step 1: Write the proportion equation
414,728.67 : 622,201.64 = 130,407.73 : x - Step 2: Convert to fraction form
414,728.67/622,201.64 = 130,407.73/x - Step 3: Cross multiply
414,728.67x = 622,201.64 × 130,407.73 - Step 4: Simplify right side
414,728.67x = 81,139,903,474.68 - Step 5: Solve for x
x = 81,139,903,474.68/414,728.67 - Step 6: Final answer
x = 195,645.75
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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.