Finding the Fourth Proportional to 475,963.62, 656,826.12 and 261,102.21
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Solution
The fourth proportional to 475,963.62, 656,826.12 and 261,102.21 is: 360,319.03
Step by Step Solution
- Step 1: Write the proportion equation
475,963.62 : 656,826.12 = 261,102.21 : x - Step 2: Convert to fraction form
475,963.62/656,826.12 = 261,102.21/x - Step 3: Cross multiply
475,963.62x = 656,826.12 × 261,102.21 - Step 4: Simplify right side
475,963.62x = 171,498,751,517.73 - Step 5: Solve for x
x = 171,498,751,517.73/475,963.62 - Step 6: Final answer
x = 360,319.03
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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.