Finding the Fourth Proportional to 251,589.36, 347,201.88 and 144,180.12
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Solution
The fourth proportional to 251,589.36, 347,201.88 and 144,180.12 is: 198,973.47
Step by Step Solution
- Step 1: Write the proportion equation
251,589.36 : 347,201.88 = 144,180.12 : x - Step 2: Convert to fraction form
251,589.36/347,201.88 = 144,180.12/x - Step 3: Cross multiply
251,589.36x = 347,201.88 × 144,180.12 - Step 4: Simplify right side
251,589.36x = 50,059,608,722.63 - Step 5: Solve for x
x = 50,059,608,722.63/251,589.36 - Step 6: Final answer
x = 198,973.47
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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.