Finding the Fourth Proportional to 387,832.74, 534,767.91 and 273,074.70
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Solution
The fourth proportional to 387,832.74, 534,767.91 and 273,074.70 is: 376,532.39
Step by Step Solution
- Step 1: Write the proportion equation
387,832.74 : 534,767.91 = 273,074.70 : x - Step 2: Convert to fraction form
387,832.74/534,767.91 = 273,074.70/x - Step 3: Cross multiply
387,832.74x = 534,767.91 × 273,074.70 - Step 4: Simplify right side
387,832.74x = 146,031,586,592.88 - Step 5: Solve for x
x = 146,031,586,592.88/387,832.74 - Step 6: Final answer
x = 376,532.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.