Finding the Fourth Proportional to 201,694.70, 302,542.05 and 192,509.30
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Solution
The fourth proportional to 201,694.70, 302,542.05 and 192,509.30 is: 288,763.95
Step by Step Solution
- Step 1: Write the proportion equation
201,694.70 : 302,542.05 = 192,509.30 : x - Step 2: Convert to fraction form
201,694.70/302,542.05 = 192,509.30/x - Step 3: Cross multiply
201,694.70x = 302,542.05 × 192,509.30 - Step 4: Simplify right side
201,694.70x = 58,242,158,266.07 - Step 5: Solve for x
x = 58,242,158,266.07/201,694.70 - Step 6: Final answer
x = 288,763.95
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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.