Finding the Fourth Proportional to 741,720.84, 1,112,213.16 and 236,215.92
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Solution
The fourth proportional to 741,720.84, 1,112,213.16 and 236,215.92 is: 354,206.65
Step by Step Solution
- Step 1: Write the proportion equation
741,720.84 : 1,112,213.16 = 236,215.92 : x - Step 2: Convert to fraction form
741,720.84/1,112,213.16 = 236,215.92/x - Step 3: Cross multiply
741,720.84x = 1,112,213.16 × 236,215.92 - Step 4: Simplify right side
741,720.84x = 262,722,454,825.51 - Step 5: Solve for x
x = 262,722,454,825.51/741,720.84 - Step 6: Final answer
x = 354,206.65
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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.