Finding the Fourth Proportional to 168,755.36, 253,202.88 and 73,936.52
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Solution
The fourth proportional to 168,755.36, 253,202.88 and 73,936.52 is: 110,935.38
Step by Step Solution
- Step 1: Write the proportion equation
168,755.36 : 253,202.88 = 73,936.52 : x - Step 2: Convert to fraction form
168,755.36/253,202.88 = 73,936.52/x - Step 3: Cross multiply
168,755.36x = 253,202.88 × 73,936.52 - Step 4: Simplify right side
168,755.36x = 18,720,939,801.18 - Step 5: Solve for x
x = 18,720,939,801.18/168,755.36 - Step 6: Final answer
x = 110,935.38
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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.