Finding the Fourth Proportional to 201,874.20, 302,811.30 and 192,688.80
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Solution
The fourth proportional to 201,874.20, 302,811.30 and 192,688.80 is: 289,033.20
Step by Step Solution
- Step 1: Write the proportion equation
201,874.20 : 302,811.30 = 192,688.80 : x - Step 2: Convert to fraction form
201,874.20/302,811.30 = 192,688.80/x - Step 3: Cross multiply
201,874.20x = 302,811.30 × 192,688.80 - Step 4: Simplify right side
201,874.20x = 58,348,346,023.44 - Step 5: Solve for x
x = 58,348,346,023.44/201,874.20 - Step 6: Final answer
x = 289,033.20
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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.