Finding the Fourth Proportional to 300,540.99, 450,767.34 and 113,508.75
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Solution
The fourth proportional to 300,540.99, 450,767.34 and 113,508.75 is: 170,246.45
Step by Step Solution
- Step 1: Write the proportion equation
300,540.99 : 450,767.34 = 113,508.75 : x - Step 2: Convert to fraction form
300,540.99/450,767.34 = 113,508.75/x - Step 3: Cross multiply
300,540.99x = 450,767.34 × 113,508.75 - Step 4: Simplify right side
300,540.99x = 51,166,037,304.23 - Step 5: Solve for x
x = 51,166,037,304.23/300,540.99 - Step 6: Final answer
x = 170,246.45
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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.