Finding the Fourth Proportional to 397,014.96, 595,604.64 and 130,791.84
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Solution
The fourth proportional to 397,014.96, 595,604.64 and 130,791.84 is: 196,214.84
Step by Step Solution
- Step 1: Write the proportion equation
397,014.96 : 595,604.64 = 130,791.84 : x - Step 2: Convert to fraction form
397,014.96/595,604.64 = 130,791.84/x - Step 3: Cross multiply
397,014.96x = 595,604.64 × 130,791.84 - Step 4: Simplify right side
397,014.96x = 77,900,226,778.14 - Step 5: Solve for x
x = 77,900,226,778.14/397,014.96 - Step 6: Final answer
x = 196,214.84
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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.