Finding the Fourth Proportional to 431,567.97, 647,354.00 and 132,048.07
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Solution
The fourth proportional to 431,567.97, 647,354.00 and 132,048.07 is: 198,072.73
Step by Step Solution
- Step 1: Write the proportion equation
431,567.97 : 647,354.00 = 132,048.07 : x - Step 2: Convert to fraction form
431,567.97/647,354.00 = 132,048.07/x - Step 3: Cross multiply
431,567.97x = 647,354.00 × 132,048.07 - Step 4: Simplify right side
431,567.97x = 85,481,847,446.09 - Step 5: Solve for x
x = 85,481,847,446.09/431,567.97 - Step 6: Final answer
x = 198,072.73
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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.