Finding the Fourth Proportional to 317,330.12, 475,991.52 and 107,115.68
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Solution
The fourth proportional to 317,330.12, 475,991.52 and 107,115.68 is: 160,672.28
Step by Step Solution
- Step 1: Write the proportion equation
317,330.12 : 475,991.52 = 107,115.68 : x - Step 2: Convert to fraction form
317,330.12/475,991.52 = 107,115.68/x - Step 3: Cross multiply
317,330.12x = 475,991.52 × 107,115.68 - Step 4: Simplify right side
317,330.12x = 50,986,155,339.03 - Step 5: Solve for x
x = 50,986,155,339.03/317,330.12 - Step 6: Final answer
x = 160,672.28
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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.