Finding the Fourth Proportional to 451,072.06, 622,471.89 and 247,121.08
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Solution
The fourth proportional to 451,072.06, 622,471.89 and 247,121.08 is: 341,022.95
Step by Step Solution
- Step 1: Write the proportion equation
451,072.06 : 622,471.89 = 247,121.08 : x - Step 2: Convert to fraction form
451,072.06/622,471.89 = 247,121.08/x - Step 3: Cross multiply
451,072.06x = 622,471.89 × 247,121.08 - Step 4: Simplify right side
451,072.06x = 153,825,925,726.44 - Step 5: Solve for x
x = 153,825,925,726.44/451,072.06 - Step 6: Final answer
x = 341,022.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.