Finding the Fourth Proportional to 858,161.19, 1,287,304.97 and 227,070.75
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Solution
The fourth proportional to 858,161.19, 1,287,304.97 and 227,070.75 is: 340,622.84
Step by Step Solution
- Step 1: Write the proportion equation
858,161.19 : 1,287,304.97 = 227,070.75 : x - Step 2: Convert to fraction form
858,161.19/1,287,304.97 = 227,070.75/x - Step 3: Cross multiply
858,161.19x = 1,287,304.97 × 227,070.75 - Step 4: Simplify right side
858,161.19x = 292,309,303,881.27 - Step 5: Solve for x
x = 292,309,303,881.27/858,161.19 - Step 6: Final answer
x = 340,622.84
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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.