Finding the Fourth Proportional to 192,462.50, 288,767.72 and 135,591.09
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Solution
The fourth proportional to 192,462.50, 288,767.72 and 135,591.09 is: 203,438.75
Step by Step Solution
- Step 1: Write the proportion equation
192,462.50 : 288,767.72 = 135,591.09 : x - Step 2: Convert to fraction form
192,462.50/288,767.72 = 135,591.09/x - Step 3: Cross multiply
192,462.50x = 288,767.72 × 135,591.09 - Step 4: Simplify right side
192,462.50x = 39,154,329,911.61 - Step 5: Solve for x
x = 39,154,329,911.61/192,462.50 - Step 6: Final answer
x = 203,438.75
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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.