Finding the Fourth Proportional to 236,451.77, 326,311.32 and 129,027.70
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Solution
The fourth proportional to 236,451.77, 326,311.32 and 129,027.70 is: 178,062.52
Step by Step Solution
- Step 1: Write the proportion equation
236,451.77 : 326,311.32 = 129,027.70 : x - Step 2: Convert to fraction form
236,451.77/326,311.32 = 129,027.70/x - Step 3: Cross multiply
236,451.77x = 326,311.32 × 129,027.70 - Step 4: Simplify right side
236,451.77x = 42,103,198,351.78 - Step 5: Solve for x
x = 42,103,198,351.78/236,451.77 - Step 6: Final answer
x = 178,062.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.