Finding the Fourth Proportional to 201,874.20, 302,811.30 and 122,947.80
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Solution
The fourth proportional to 201,874.20, 302,811.30 and 122,947.80 is: 184,421.70
Step by Step Solution
- Step 1: Write the proportion equation
201,874.20 : 302,811.30 = 122,947.80 : x - Step 2: Convert to fraction form
201,874.20/302,811.30 = 122,947.80/x - Step 3: Cross multiply
201,874.20x = 302,811.30 × 122,947.80 - Step 4: Simplify right side
201,874.20x = 37,229,983,150.14 - Step 5: Solve for x
x = 37,229,983,150.14/201,874.20 - Step 6: Final answer
x = 184,421.70
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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.