Finding the Fourth Proportional to 297,765.36, 446,396.84 and 129,158.75
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Solution
The fourth proportional to 297,765.36, 446,396.84 and 129,158.75 is: 193,629.15
Step by Step Solution
- Step 1: Write the proportion equation
297,765.36 : 446,396.84 = 129,158.75 : x - Step 2: Convert to fraction form
297,765.36/446,396.84 = 129,158.75/x - Step 3: Cross multiply
297,765.36x = 446,396.84 × 129,158.75 - Step 4: Simplify right side
297,765.36x = 57,656,054,980.57 - Step 5: Solve for x
x = 57,656,054,980.57/297,765.36 - Step 6: Final answer
x = 193,629.15
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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.