Finding the Fourth Proportional to 162,804.70, 244,207.05 and 74,231.20
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Solution
The fourth proportional to 162,804.70, 244,207.05 and 74,231.20 is: 111,346.80
Step by Step Solution
- Step 1: Write the proportion equation
162,804.70 : 244,207.05 = 74,231.20 : x - Step 2: Convert to fraction form
162,804.70/244,207.05 = 74,231.20/x - Step 3: Cross multiply
162,804.70x = 244,207.05 × 74,231.20 - Step 4: Simplify right side
162,804.70x = 18,127,782,369.96 - Step 5: Solve for x
x = 18,127,782,369.96/162,804.70 - Step 6: Final answer
x = 111,346.80
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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.