Finding the Fourth Proportional to 317,287.18, 475,627.38 and 117,553.96
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Solution
The fourth proportional to 317,287.18, 475,627.38 and 117,553.96 is: 176,218.53
Step by Step Solution
- Step 1: Write the proportion equation
317,287.18 : 475,627.38 = 117,553.96 : x - Step 2: Convert to fraction form
317,287.18/475,627.38 = 117,553.96/x - Step 3: Cross multiply
317,287.18x = 475,627.38 × 117,553.96 - Step 4: Simplify right side
317,287.18x = 55,911,882,003.42 - Step 5: Solve for x
x = 55,911,882,003.42/317,287.18 - Step 6: Final answer
x = 176,218.53
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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.