Finding the Fourth Proportional to 768,149.92, 1,152,192.06 and 262,756.09
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Solution
The fourth proportional to 768,149.92, 1,152,192.06 and 262,756.09 is: 394,122.91
Step by Step Solution
- Step 1: Write the proportion equation
768,149.92 : 1,152,192.06 = 262,756.09 : x - Step 2: Convert to fraction form
768,149.92/1,152,192.06 = 262,756.09/x - Step 3: Cross multiply
768,149.92x = 1,152,192.06 × 262,756.09 - Step 4: Simplify right side
768,149.92x = 302,745,482,054.89 - Step 5: Solve for x
x = 302,745,482,054.89/768,149.92 - Step 6: Final answer
x = 394,122.91
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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.