Finding the Fourth Proportional to 147,004.92, 202,902.84 and 83,379.96
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Solution
The fourth proportional to 147,004.92, 202,902.84 and 83,379.96 is: 115,084.79
Step by Step Solution
- Step 1: Write the proportion equation
147,004.92 : 202,902.84 = 83,379.96 : x - Step 2: Convert to fraction form
147,004.92/202,902.84 = 83,379.96/x - Step 3: Cross multiply
147,004.92x = 202,902.84 × 83,379.96 - Step 4: Simplify right side
147,004.92x = 16,918,030,683.09 - Step 5: Solve for x
x = 16,918,030,683.09/147,004.92 - Step 6: Final answer
x = 115,084.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.