Finding the Fourth Proportional to 325,676.59, 488,394.93 and 112,390.09
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Solution
The fourth proportional to 325,676.59, 488,394.93 and 112,390.09 is: 168,543.74
Step by Step Solution
- Step 1: Write the proportion equation
325,676.59 : 488,394.93 = 112,390.09 : x - Step 2: Convert to fraction form
325,676.59/488,394.93 = 112,390.09/x - Step 3: Cross multiply
325,676.59x = 488,394.93 × 112,390.09 - Step 4: Simplify right side
325,676.59x = 54,890,750,138.24 - Step 5: Solve for x
x = 54,890,750,138.24/325,676.59 - Step 6: Final answer
x = 168,543.74
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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.