Finding the Fourth Proportional to 422,538.62, 633,381.44 and 264,877.80
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Solution
The fourth proportional to 422,538.62, 633,381.44 and 264,877.80 is: 397,049.35
Step by Step Solution
- Step 1: Write the proportion equation
422,538.62 : 633,381.44 = 264,877.80 : x - Step 2: Convert to fraction form
422,538.62/633,381.44 = 264,877.80/x - Step 3: Cross multiply
422,538.62x = 633,381.44 × 264,877.80 - Step 4: Simplify right side
422,538.62x = 167,768,682,388.03 - Step 5: Solve for x
x = 167,768,682,388.03/422,538.62 - Step 6: Final answer
x = 397,049.35
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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.