Finding the Fourth Proportional to 411,821.21, 568,313.51 and 230,533.49
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Solution
The fourth proportional to 411,821.21, 568,313.51 and 230,533.49 is: 318,136.35
Step by Step Solution
- Step 1: Write the proportion equation
411,821.21 : 568,313.51 = 230,533.49 : x - Step 2: Convert to fraction form
411,821.21/568,313.51 = 230,533.49/x - Step 3: Cross multiply
411,821.21x = 568,313.51 × 230,533.49 - Step 4: Simplify right side
411,821.21x = 131,015,297,142.57 - Step 5: Solve for x
x = 131,015,297,142.57/411,821.21 - Step 6: Final answer
x = 318,136.35
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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.