Finding the Fourth Proportional to 140,361.20, 210,555.08 and 39,165.96
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Solution
The fourth proportional to 140,361.20, 210,555.08 and 39,165.96 is: 58,752.65
Step by Step Solution
- Step 1: Write the proportion equation
140,361.20 : 210,555.08 = 39,165.96 : x - Step 2: Convert to fraction form
140,361.20/210,555.08 = 39,165.96/x - Step 3: Cross multiply
140,361.20x = 210,555.08 × 39,165.96 - Step 4: Simplify right side
140,361.20x = 8,246,591,645.25 - Step 5: Solve for x
x = 8,246,591,645.25/140,361.20 - Step 6: Final answer
x = 58,752.65
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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.