Finding the Fourth Proportional to 317,393.84, 476,093.50 and 80,736.75
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Solution
The fourth proportional to 317,393.84, 476,093.50 and 80,736.75 is: 121,105.82
Step by Step Solution
- Step 1: Write the proportion equation
317,393.84 : 476,093.50 = 80,736.75 : x - Step 2: Convert to fraction form
317,393.84/476,093.50 = 80,736.75/x - Step 3: Cross multiply
317,393.84x = 476,093.50 × 80,736.75 - Step 4: Simplify right side
317,393.84x = 38,438,241,684.28 - Step 5: Solve for x
x = 38,438,241,684.28/317,393.84 - Step 6: Final answer
x = 121,105.82
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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.