Finding the Fourth Proportional to 439,648.21, 658,961.83 and 202,493.17
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Solution
The fourth proportional to 439,648.21, 658,961.83 and 202,493.17 is: 303,504.64
Step by Step Solution
- Step 1: Write the proportion equation
439,648.21 : 658,961.83 = 202,493.17 : x - Step 2: Convert to fraction form
439,648.21/658,961.83 = 202,493.17/x - Step 3: Cross multiply
439,648.21x = 658,961.83 × 202,493.17 - Step 4: Simplify right side
439,648.21x = 133,435,269,865.70 - Step 5: Solve for x
x = 133,435,269,865.70/439,648.21 - Step 6: Final answer
x = 303,504.64
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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.