Finding the Fourth Proportional to 568,666.53, 853,120.08 and 213,683.62
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Solution
The fourth proportional to 568,666.53, 853,120.08 and 213,683.62 is: 320,570.63
Step by Step Solution
- Step 1: Write the proportion equation
568,666.53 : 853,120.08 = 213,683.62 : x - Step 2: Convert to fraction form
568,666.53/853,120.08 = 213,683.62/x - Step 3: Cross multiply
568,666.53x = 853,120.08 × 213,683.62 - Step 4: Simplify right side
568,666.53x = 182,297,786,989.09 - Step 5: Solve for x
x = 182,297,786,989.09/568,666.53 - Step 6: Final answer
x = 320,570.63
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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.