Finding the Fourth Proportional to 251,620.92, 377,455.68 and 91,739.88
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Solution
The fourth proportional to 251,620.92, 377,455.68 and 91,739.88 is: 137,618.68
Step by Step Solution
- Step 1: Write the proportion equation
251,620.92 : 377,455.68 = 91,739.88 : x - Step 2: Convert to fraction form
251,620.92/377,455.68 = 91,739.88/x - Step 3: Cross multiply
251,620.92x = 377,455.68 × 91,739.88 - Step 4: Simplify right side
251,620.92x = 34,627,738,788.52 - Step 5: Solve for x
x = 34,627,738,788.52/251,620.92 - Step 6: Final answer
x = 137,618.68
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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.