Finding the Fourth Proportional to 397,022.22, 595,278.14 and 261,930.06
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Solution
The fourth proportional to 397,022.22, 595,278.14 and 261,930.06 is: 392,726.73
Step by Step Solution
- Step 1: Write the proportion equation
397,022.22 : 595,278.14 = 261,930.06 : x - Step 2: Convert to fraction form
397,022.22/595,278.14 = 261,930.06/x - Step 3: Cross multiply
397,022.22x = 595,278.14 × 261,930.06 - Step 4: Simplify right side
397,022.22x = 155,921,237,617.24 - Step 5: Solve for x
x = 155,921,237,617.24/397,022.22 - Step 6: Final answer
x = 392,726.73
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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.