Finding the Fourth Proportional to 305,988.30, 458,982.36 and 95,626.24
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Solution
The fourth proportional to 305,988.30, 458,982.36 and 95,626.24 is: 143,439.33
Step by Step Solution
- Step 1: Write the proportion equation
305,988.30 : 458,982.36 = 95,626.24 : x - Step 2: Convert to fraction form
305,988.30/458,982.36 = 95,626.24/x - Step 3: Cross multiply
305,988.30x = 458,982.36 × 95,626.24 - Step 4: Simplify right side
305,988.30x = 43,890,757,313.13 - Step 5: Solve for x
x = 43,890,757,313.13/305,988.30 - Step 6: Final answer
x = 143,439.33
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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.