Finding the Fourth Proportional to 337,137.32, 505,779.84 and 126,775.26
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Solution
The fourth proportional to 337,137.32, 505,779.84 and 126,775.26 is: 190,190.66
Step by Step Solution
- Step 1: Write the proportion equation
337,137.32 : 505,779.84 = 126,775.26 : x - Step 2: Convert to fraction form
337,137.32/505,779.84 = 126,775.26/x - Step 3: Cross multiply
337,137.32x = 505,779.84 × 126,775.26 - Step 4: Simplify right side
337,137.32x = 64,120,370,718.76 - Step 5: Solve for x
x = 64,120,370,718.76/337,137.32 - Step 6: Final answer
x = 190,190.66
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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.