Finding the Fourth Proportional to 168,311.30, 252,029.55 and 133,027.70
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Solution
The fourth proportional to 168,311.30, 252,029.55 and 133,027.70 is: 199,195.84
Step by Step Solution
- Step 1: Write the proportion equation
168,311.30 : 252,029.55 = 133,027.70 : x - Step 2: Convert to fraction form
168,311.30/252,029.55 = 133,027.70/x - Step 3: Cross multiply
168,311.30x = 252,029.55 × 133,027.70 - Step 4: Simplify right side
168,311.30x = 33,526,911,368.54 - Step 5: Solve for x
x = 33,526,911,368.54/168,311.30 - Step 6: Final answer
x = 199,195.84
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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.