Finding the Fourth Proportional to 397,422.62, 596,140.76 and 113,120.48
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Solution
The fourth proportional to 397,422.62, 596,140.76 and 113,120.48 is: 169,682.66
Step by Step Solution
- Step 1: Write the proportion equation
397,422.62 : 596,140.76 = 113,120.48 : x - Step 2: Convert to fraction form
397,422.62/596,140.76 = 113,120.48/x - Step 3: Cross multiply
397,422.62x = 596,140.76 × 113,120.48 - Step 4: Simplify right side
397,422.62x = 67,435,728,918.76 - Step 5: Solve for x
x = 67,435,728,918.76/397,422.62 - Step 6: Final answer
x = 169,682.66
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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.