Finding the Fourth Proportional to 135,201.87, 202,507.20 and 68,527.53
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Solution
The fourth proportional to 135,201.87, 202,507.20 and 68,527.53 is: 102,641.47
Step by Step Solution
- Step 1: Write the proportion equation
135,201.87 : 202,507.20 = 68,527.53 : x - Step 2: Convert to fraction form
135,201.87/202,507.20 = 68,527.53/x - Step 3: Cross multiply
135,201.87x = 202,507.20 × 68,527.53 - Step 4: Simplify right side
135,201.87x = 13,877,318,223.22 - Step 5: Solve for x
x = 13,877,318,223.22/135,201.87 - Step 6: Final answer
x = 102,641.47
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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.