Finding the Fourth Proportional to 415,997.75, 574,027.47 and 234,699.09
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Solution
The fourth proportional to 415,997.75, 574,027.47 and 234,699.09 is: 323,856.86
Step by Step Solution
- Step 1: Write the proportion equation
415,997.75 : 574,027.47 = 234,699.09 : x - Step 2: Convert to fraction form
415,997.75/574,027.47 = 234,699.09/x - Step 3: Cross multiply
415,997.75x = 574,027.47 × 234,699.09 - Step 4: Simplify right side
415,997.75x = 134,723,724,844.00 - Step 5: Solve for x
x = 134,723,724,844.00/415,997.75 - Step 6: Final answer
x = 323,856.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.