Finding the Fourth Proportional to 844,749.63, 1,267,128.69 and 213,664.05
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Solution
The fourth proportional to 844,749.63, 1,267,128.69 and 213,664.05 is: 320,497.15
Step by Step Solution
- Step 1: Write the proportion equation
844,749.63 : 1,267,128.69 = 213,664.05 : x - Step 2: Convert to fraction form
844,749.63/1,267,128.69 = 213,664.05/x - Step 3: Cross multiply
844,749.63x = 1,267,128.69 × 213,664.05 - Step 4: Simplify right side
844,749.63x = 270,739,847,776.59 - Step 5: Solve for x
x = 270,739,847,776.59/844,749.63 - Step 6: Final answer
x = 320,497.15
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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.