Finding the Fourth Proportional to 281,620.99, 423,317.21 and 244,641.55
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Solution
The fourth proportional to 281,620.99, 423,317.21 and 244,641.55 is: 367,731.75
Step by Step Solution
- Step 1: Write the proportion equation
281,620.99 : 423,317.21 = 244,641.55 : x - Step 2: Convert to fraction form
281,620.99/423,317.21 = 244,641.55/x - Step 3: Cross multiply
281,620.99x = 423,317.21 × 244,641.55 - Step 4: Simplify right side
281,620.99x = 103,560,978,972.46 - Step 5: Solve for x
x = 103,560,978,972.46/281,620.99 - Step 6: Final answer
x = 367,731.75
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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.