Finding the Fourth Proportional to 168,643.97, 252,939.83 and 73,853.31
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Solution
The fourth proportional to 168,643.97, 252,939.83 and 73,853.31 is: 110,768.53
Step by Step Solution
- Step 1: Write the proportion equation
168,643.97 : 252,939.83 = 73,853.31 : x - Step 2: Convert to fraction form
168,643.97/252,939.83 = 73,853.31/x - Step 3: Cross multiply
168,643.97x = 252,939.83 × 73,853.31 - Step 4: Simplify right side
168,643.97x = 18,680,443,307.07 - Step 5: Solve for x
x = 18,680,443,307.07/168,643.97 - Step 6: Final answer
x = 110,768.53
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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.