Finding the Fourth Proportional to 278,194.25, 417,286.79 and 88,652.02
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Solution
The fourth proportional to 278,194.25, 417,286.79 and 88,652.02 is: 132,976.57
Step by Step Solution
- Step 1: Write the proportion equation
278,194.25 : 417,286.79 = 88,652.02 : x - Step 2: Convert to fraction form
278,194.25/417,286.79 = 88,652.02/x - Step 3: Cross multiply
278,194.25x = 417,286.79 × 88,652.02 - Step 4: Simplify right side
278,194.25x = 36,993,316,481.20 - Step 5: Solve for x
x = 36,993,316,481.20/278,194.25 - Step 6: Final answer
x = 132,976.57
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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.