Finding the Fourth Proportional to 236,391.85, 354,590.19 and 67,911.75
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Solution
The fourth proportional to 236,391.85, 354,590.19 and 67,911.75 is: 101,868.32
Step by Step Solution
- Step 1: Write the proportion equation
236,391.85 : 354,590.19 = 67,911.75 : x - Step 2: Convert to fraction form
236,391.85/354,590.19 = 67,911.75/x - Step 3: Cross multiply
236,391.85x = 354,590.19 × 67,911.75 - Step 4: Simplify right side
236,391.85x = 24,080,840,335.73 - Step 5: Solve for x
x = 24,080,840,335.73/236,391.85 - Step 6: Final answer
x = 101,868.32
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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.