Finding the Fourth Proportional to 281,170.08, 421,655.49 and 91,579.05
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Solution
The fourth proportional to 281,170.08, 421,655.49 and 91,579.05 is: 137,336.12
Step by Step Solution
- Step 1: Write the proportion equation
281,170.08 : 421,655.49 = 91,579.05 : x - Step 2: Convert to fraction form
281,170.08/421,655.49 = 91,579.05/x - Step 3: Cross multiply
281,170.08x = 421,655.49 × 91,579.05 - Step 4: Simplify right side
281,170.08x = 38,614,809,201.48 - Step 5: Solve for x
x = 38,614,809,201.48/281,170.08 - Step 6: Final answer
x = 137,336.12
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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.