Finding the Fourth Proportional to 135,491.60, 203,467.80 and 100,470.80
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Solution
The fourth proportional to 135,491.60, 203,467.80 and 100,470.80 is: 150,877.05
Step by Step Solution
- Step 1: Write the proportion equation
135,491.60 : 203,467.80 = 100,470.80 : x - Step 2: Convert to fraction form
135,491.60/203,467.80 = 100,470.80/x - Step 3: Cross multiply
135,491.60x = 203,467.80 × 100,470.80 - Step 4: Simplify right side
135,491.60x = 20,442,572,640.24 - Step 5: Solve for x
x = 20,442,572,640.24/135,491.60 - Step 6: Final answer
x = 150,877.05
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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.