Finding the Fourth Proportional to 741,722.36, 1,112,215.40 and 236,217.42
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Solution
The fourth proportional to 741,722.36, 1,112,215.40 and 236,217.42 is: 354,208.89
Step by Step Solution
- Step 1: Write the proportion equation
741,722.36 : 1,112,215.40 = 236,217.42 : x - Step 2: Convert to fraction form
741,722.36/1,112,215.40 = 236,217.42/x - Step 3: Cross multiply
741,722.36x = 1,112,215.40 × 236,217.42 - Step 4: Simplify right side
741,722.36x = 262,724,652,272.27 - Step 5: Solve for x
x = 262,724,652,272.27/741,722.36 - Step 6: Final answer
x = 354,208.89
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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.