Finding the Fourth Proportional to 252,169.84, 378,202.38 and 74,635.21
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Solution
The fourth proportional to 252,169.84, 378,202.38 and 74,635.21 is: 111,937.31
Step by Step Solution
- Step 1: Write the proportion equation
252,169.84 : 378,202.38 = 74,635.21 : x - Step 2: Convert to fraction form
252,169.84/378,202.38 = 74,635.21/x - Step 3: Cross multiply
252,169.84x = 378,202.38 × 74,635.21 - Step 4: Simplify right side
252,169.84x = 28,227,214,053.80 - Step 5: Solve for x
x = 28,227,214,053.80/252,169.84 - Step 6: Final answer
x = 111,937.31
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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.