Finding the Fourth Proportional to 201,812.70, 302,719.05 and 192,135.90
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Solution
The fourth proportional to 201,812.70, 302,719.05 and 192,135.90 is: 288,203.85
Step by Step Solution
- Step 1: Write the proportion equation
201,812.70 : 302,719.05 = 192,135.90 : x - Step 2: Convert to fraction form
201,812.70/302,719.05 = 192,135.90/x - Step 3: Cross multiply
201,812.70x = 302,719.05 × 192,135.90 - Step 4: Simplify right side
201,812.70x = 58,163,197,118.90 - Step 5: Solve for x
x = 58,163,197,118.90/201,812.70 - Step 6: Final answer
x = 288,203.85
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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.