Finding the Fourth Proportional to 278,198.19, 417,292.68 and 88,655.94
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Solution
The fourth proportional to 278,198.19, 417,292.68 and 88,655.94 is: 132,982.44
Step by Step Solution
- Step 1: Write the proportion equation
278,198.19 : 417,292.68 = 88,655.94 : x - Step 2: Convert to fraction form
278,198.19/417,292.68 = 88,655.94/x - Step 3: Cross multiply
278,198.19x = 417,292.68 × 88,655.94 - Step 4: Simplify right side
278,198.19x = 36,995,474,800.52 - Step 5: Solve for x
x = 36,995,474,800.52/278,198.19 - Step 6: Final answer
x = 132,982.44
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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.