Finding the Fourth Proportional to 775,440.13, 1,163,215.48 and 206,818
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Solution
The fourth proportional to 775,440.13, 1,163,215.48 and 206,818 is: 310,241.75
Step by Step Solution
- Step 1: Write the proportion equation
775,440.13 : 1,163,215.48 = 206,818 : x - Step 2: Convert to fraction form
775,440.13/1,163,215.48 = 206,818/x - Step 3: Cross multiply
775,440.13x = 1,163,215.48 × 206,818 - Step 4: Simplify right side
775,440.13x = 240,573,899,142.64 - Step 5: Solve for x
x = 240,573,899,142.64/775,440.13 - Step 6: Final answer
x = 310,241.75
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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.