Finding the Fourth Proportional to 426,076.49, 587,997.85 and 235,102.18
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Solution
The fourth proportional to 426,076.49, 587,997.85 and 235,102.18 is: 324,447.79
Step by Step Solution
- Step 1: Write the proportion equation
426,076.49 : 587,997.85 = 235,102.18 : x - Step 2: Convert to fraction form
426,076.49/587,997.85 = 235,102.18/x - Step 3: Cross multiply
426,076.49x = 587,997.85 × 235,102.18 - Step 4: Simplify right side
426,076.49x = 138,239,576,370.31 - Step 5: Solve for x
x = 138,239,576,370.31/426,076.49 - Step 6: Final answer
x = 324,447.79
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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.