Finding the Fourth Proportional to 300,209.36, 450,313.84 and 113,177.12
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Solution
The fourth proportional to 300,209.36, 450,313.84 and 113,177.12 is: 169,765.60
Step by Step Solution
- Step 1: Write the proportion equation
300,209.36 : 450,313.84 = 113,177.12 : x - Step 2: Convert to fraction form
300,209.36/450,313.84 = 113,177.12/x - Step 3: Cross multiply
300,209.36x = 450,313.84 × 113,177.12 - Step 4: Simplify right side
300,209.36x = 50,965,223,507.34 - Step 5: Solve for x
x = 50,965,223,507.34/300,209.36 - Step 6: Final answer
x = 169,765.60
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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.