Finding the Fourth Proportional to 647,556.81, 971,260.49 and 174,204.96
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Solution
The fourth proportional to 647,556.81, 971,260.49 and 174,204.96 is: 261,287.34
Step by Step Solution
- Step 1: Write the proportion equation
647,556.81 : 971,260.49 = 174,204.96 : x - Step 2: Convert to fraction form
647,556.81/971,260.49 = 174,204.96/x - Step 3: Cross multiply
647,556.81x = 971,260.49 × 174,204.96 - Step 4: Simplify right side
647,556.81x = 169,198,394,810.03 - Step 5: Solve for x
x = 169,198,394,810.03/647,556.81 - Step 6: Final answer
x = 261,287.34
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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.