Finding the Fourth Proportional to 381,571.04, 526,541.70 and 211,791.80
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Solution
The fourth proportional to 381,571.04, 526,541.70 and 211,791.80 is: 292,258.07
Step by Step Solution
- Step 1: Write the proportion equation
381,571.04 : 526,541.70 = 211,791.80 : x - Step 2: Convert to fraction form
381,571.04/526,541.70 = 211,791.80/x - Step 3: Cross multiply
381,571.04x = 526,541.70 × 211,791.80 - Step 4: Simplify right side
381,571.04x = 111,517,214,418.06 - Step 5: Solve for x
x = 111,517,214,418.06/381,571.04 - Step 6: Final answer
x = 292,258.07
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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.