Finding the Fourth Proportional to 356,138.03, 491,470.55 and 194,993.12
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Solution
The fourth proportional to 356,138.03, 491,470.55 and 194,993.12 is: 269,090.54
Step by Step Solution
- Step 1: Write the proportion equation
356,138.03 : 491,470.55 = 194,993.12 : x - Step 2: Convert to fraction form
356,138.03/491,470.55 = 194,993.12/x - Step 3: Cross multiply
356,138.03x = 491,470.55 × 194,993.12 - Step 4: Simplify right side
356,138.03x = 95,833,372,500.30 - Step 5: Solve for x
x = 95,833,372,500.30/356,138.03 - Step 6: Final answer
x = 269,090.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.