Finding the Fourth Proportional to 513,486.14, 770,299.26 and 213,896.66
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Solution
The fourth proportional to 513,486.14, 770,299.26 and 213,896.66 is: 320,874.17
Step by Step Solution
- Step 1: Write the proportion equation
513,486.14 : 770,299.26 = 213,896.66 : x - Step 2: Convert to fraction form
513,486.14/770,299.26 = 213,896.66/x - Step 3: Cross multiply
513,486.14x = 770,299.26 × 213,896.66 - Step 4: Simplify right side
513,486.14x = 164,764,438,914.47 - Step 5: Solve for x
x = 164,764,438,914.47/513,486.14 - Step 6: Final answer
x = 320,874.17
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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.