Finding the Fourth Proportional to 412,196.99, 568,668.11 and 257,057.02
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Solution
The fourth proportional to 412,196.99, 568,668.11 and 257,057.02 is: 354,636.57
Step by Step Solution
- Step 1: Write the proportion equation
412,196.99 : 568,668.11 = 257,057.02 : x - Step 2: Convert to fraction form
412,196.99/568,668.11 = 257,057.02/x - Step 3: Cross multiply
412,196.99x = 568,668.11 × 257,057.02 - Step 4: Simplify right side
412,196.99x = 146,180,127,913.29 - Step 5: Solve for x
x = 146,180,127,913.29/412,196.99 - Step 6: Final answer
x = 354,636.57
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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.