Finding the Fourth Proportional to 135,233.20, 202,849.80 and 56,321.20
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Solution
The fourth proportional to 135,233.20, 202,849.80 and 56,321.20 is: 84,481.80
Step by Step Solution
- Step 1: Write the proportion equation
135,233.20 : 202,849.80 = 56,321.20 : x - Step 2: Convert to fraction form
135,233.20/202,849.80 = 56,321.20/x - Step 3: Cross multiply
135,233.20x = 202,849.80 × 56,321.20 - Step 4: Simplify right side
135,233.20x = 11,424,744,155.76 - Step 5: Solve for x
x = 11,424,744,155.76/135,233.20 - Step 6: Final answer
x = 84,481.80
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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.