Finding the Fourth Proportional to 394,914.80, 592,199.40 and 158,178.80
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Solution
The fourth proportional to 394,914.80, 592,199.40 and 158,178.80 is: 237,198.99
Step by Step Solution
- Step 1: Write the proportion equation
394,914.80 : 592,199.40 = 158,178.80 : x - Step 2: Convert to fraction form
394,914.80/592,199.40 = 158,178.80/x - Step 3: Cross multiply
394,914.80x = 592,199.40 × 158,178.80 - Step 4: Simplify right side
394,914.80x = 93,673,390,452.72 - Step 5: Solve for x
x = 93,673,390,452.72/394,914.80 - Step 6: Final answer
x = 237,198.99
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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.