Finding the Fourth Proportional to 253,742.40, 350,201.81 and 146,291.45
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Solution
The fourth proportional to 253,742.40, 350,201.81 and 146,291.45 is: 201,903.70
Step by Step Solution
- Step 1: Write the proportion equation
253,742.40 : 350,201.81 = 146,291.45 : x - Step 2: Convert to fraction form
253,742.40/350,201.81 = 146,291.45/x - Step 3: Cross multiply
253,742.40x = 350,201.81 × 146,291.45 - Step 4: Simplify right side
253,742.40x = 51,231,529,192.24 - Step 5: Solve for x
x = 51,231,529,192.24/253,742.40 - Step 6: Final answer
x = 201,903.70
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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.