Finding the Fourth Proportional to 277,961.21, 383,586.80 and 150,636.80
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Solution
The fourth proportional to 277,961.21, 383,586.80 and 150,636.80 is: 207,878.96
Step by Step Solution
- Step 1: Write the proportion equation
277,961.21 : 383,586.80 = 150,636.80 : x - Step 2: Convert to fraction form
277,961.21/383,586.80 = 150,636.80/x - Step 3: Cross multiply
277,961.21x = 383,586.80 × 150,636.80 - Step 4: Simplify right side
277,961.21x = 57,782,287,321.06 - Step 5: Solve for x
x = 57,782,287,321.06/277,961.21 - Step 6: Final answer
x = 207,878.96
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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.