Finding the Fourth Proportional to 411,806.57, 568,302.68 and 230,513.99
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Solution
The fourth proportional to 411,806.57, 568,302.68 and 230,513.99 is: 318,114.69
Step by Step Solution
- Step 1: Write the proportion equation
411,806.57 : 568,302.68 = 230,513.99 : x - Step 2: Convert to fraction form
411,806.57/568,302.68 = 230,513.99/x - Step 3: Cross multiply
411,806.57x = 568,302.68 × 230,513.99 - Step 4: Simplify right side
411,806.57x = 131,001,716,029.27 - Step 5: Solve for x
x = 131,001,716,029.27/411,806.57 - Step 6: Final answer
x = 318,114.69
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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.