Finding the Fourth Proportional to 397,884.42, 596,826.27 and 117,379.62
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Solution
The fourth proportional to 397,884.42, 596,826.27 and 117,379.62 is: 176,069.32
Step by Step Solution
- Step 1: Write the proportion equation
397,884.42 : 596,826.27 = 117,379.62 : x - Step 2: Convert to fraction form
397,884.42/596,826.27 = 117,379.62/x - Step 3: Cross multiply
397,884.42x = 596,826.27 × 117,379.62 - Step 4: Simplify right side
397,884.42x = 70,055,240,778.62 - Step 5: Solve for x
x = 70,055,240,778.62/397,884.42 - Step 6: Final answer
x = 176,069.32
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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.