Finding the Fourth Proportional to 135,138.66, 202,622.13 and 118,532.04
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Solution
The fourth proportional to 135,138.66, 202,622.13 and 118,532.04 is: 177,722.75
Step by Step Solution
- Step 1: Write the proportion equation
135,138.66 : 202,622.13 = 118,532.04 : x - Step 2: Convert to fraction form
135,138.66/202,622.13 = 118,532.04/x - Step 3: Cross multiply
135,138.66x = 202,622.13 × 118,532.04 - Step 4: Simplify right side
135,138.66x = 24,017,214,418.05 - Step 5: Solve for x
x = 24,017,214,418.05/135,138.66 - Step 6: Final answer
x = 177,722.75
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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.