Finding the Fourth Proportional to 317,454.48, 475,877.92 and 117,721.44
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Solution
The fourth proportional to 317,454.48, 475,877.92 and 117,721.44 is: 176,469.50
Step by Step Solution
- Step 1: Write the proportion equation
317,454.48 : 475,877.92 = 117,721.44 : x - Step 2: Convert to fraction form
317,454.48/475,877.92 = 117,721.44/x - Step 3: Cross multiply
317,454.48x = 475,877.92 × 117,721.44 - Step 4: Simplify right side
317,454.48x = 56,021,034,006.60 - Step 5: Solve for x
x = 56,021,034,006.60/317,454.48 - Step 6: Final answer
x = 176,469.50
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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.