Finding the Fourth Proportional to 71,454.01, 107,181.06 and 18,149.99
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Solution
The fourth proportional to 71,454.01, 107,181.06 and 18,149.99 is: 27,224.99
Step by Step Solution
- Step 1: Write the proportion equation
71,454.01 : 107,181.06 = 18,149.99 : x - Step 2: Convert to fraction form
71,454.01/107,181.06 = 18,149.99/x - Step 3: Cross multiply
71,454.01x = 107,181.06 × 18,149.99 - Step 4: Simplify right side
71,454.01x = 1,945,334,764.19 - Step 5: Solve for x
x = 1,945,334,764.19/71,454.01 - Step 6: Final answer
x = 27,224.99
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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.