Finding the Fourth Proportional to 513,201.27, 769,539.06 and 273,451.80
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Solution
The fourth proportional to 513,201.27, 769,539.06 and 273,451.80 is: 410,037.65
Step by Step Solution
- Step 1: Write the proportion equation
513,201.27 : 769,539.06 = 273,451.80 : x - Step 2: Convert to fraction form
513,201.27/769,539.06 = 273,451.80/x - Step 3: Cross multiply
513,201.27x = 769,539.06 × 273,451.80 - Step 4: Simplify right side
513,201.27x = 210,431,841,127.31 - Step 5: Solve for x
x = 210,431,841,127.31/513,201.27 - Step 6: Final answer
x = 410,037.65
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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.