Finding the Fourth Proportional to 301,591.62, 451,698.21 and 143,930.79
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Solution
The fourth proportional to 301,591.62, 451,698.21 and 143,930.79 is: 215,567.26
Step by Step Solution
- Step 1: Write the proportion equation
301,591.62 : 451,698.21 = 143,930.79 : x - Step 2: Convert to fraction form
301,591.62/451,698.21 = 143,930.79/x - Step 3: Cross multiply
301,591.62x = 451,698.21 × 143,930.79 - Step 4: Simplify right side
301,591.62x = 65,013,280,206.89 - Step 5: Solve for x
x = 65,013,280,206.89/301,591.62 - Step 6: Final answer
x = 215,567.26
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1.5x scale
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.