Finding the Fourth Proportional to 202,056.28, 303,115.58 and 68,905.40
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Solution
The fourth proportional to 202,056.28, 303,115.58 and 68,905.40 is: 103,368.73
Step by Step Solution
- Step 1: Write the proportion equation
202,056.28 : 303,115.58 = 68,905.40 : x - Step 2: Convert to fraction form
202,056.28/303,115.58 = 68,905.40/x - Step 3: Cross multiply
202,056.28x = 303,115.58 × 68,905.40 - Step 4: Simplify right side
202,056.28x = 20,886,300,286.13 - Step 5: Solve for x
x = 20,886,300,286.13/202,056.28 - Step 6: Final answer
x = 103,368.73
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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.