Finding the Fourth Proportional to 317,336.70, 476,006.16 and 80,679.41
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Solution
The fourth proportional to 317,336.70, 476,006.16 and 80,679.41 is: 121,019.39
Step by Step Solution
- Step 1: Write the proportion equation
317,336.70 : 476,006.16 = 80,679.41 : x - Step 2: Convert to fraction form
317,336.70/476,006.16 = 80,679.41/x - Step 3: Cross multiply
317,336.70x = 476,006.16 × 80,679.41 - Step 4: Simplify right side
317,336.70x = 38,403,893,765.13 - Step 5: Solve for x
x = 38,403,893,765.13/317,336.70 - Step 6: Final answer
x = 121,019.39
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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.