Finding the Fourth Proportional to 429,674.55, 644,205.24 and 201,843.02
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Solution
The fourth proportional to 429,674.55, 644,205.24 and 201,843.02 is: 302,620.50
Step by Step Solution
- Step 1: Write the proportion equation
429,674.55 : 644,205.24 = 201,843.02 : x - Step 2: Convert to fraction form
429,674.55/644,205.24 = 201,843.02/x - Step 3: Cross multiply
429,674.55x = 644,205.24 × 201,843.02 - Step 4: Simplify right side
429,674.55x = 130,028,327,920.40 - Step 5: Solve for x
x = 130,028,327,920.40/429,674.55 - Step 6: Final answer
x = 302,620.50
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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.