Finding the Fourth Proportional to 201,893.80, 302,512.65 and 168,432.70
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Solution
The fourth proportional to 201,893.80, 302,512.65 and 168,432.70 is: 252,375.37
Step by Step Solution
- Step 1: Write the proportion equation
201,893.80 : 302,512.65 = 168,432.70 : x - Step 2: Convert to fraction form
201,893.80/302,512.65 = 168,432.70/x - Step 3: Cross multiply
201,893.80x = 302,512.65 × 168,432.70 - Step 4: Simplify right side
201,893.80x = 50,953,022,423.66 - Step 5: Solve for x
x = 50,953,022,423.66/201,893.80 - Step 6: Final answer
x = 252,375.37
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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.