Finding the Fourth Proportional to 550,579.91, 826,170.87 and 213,633.84
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Solution
The fourth proportional to 550,579.91, 826,170.87 and 213,633.84 is: 320,567.56
Step by Step Solution
- Step 1: Write the proportion equation
550,579.91 : 826,170.87 = 213,633.84 : x - Step 2: Convert to fraction form
550,579.91/826,170.87 = 213,633.84/x - Step 3: Cross multiply
550,579.91x = 826,170.87 × 213,633.84 - Step 4: Simplify right side
550,579.91x = 176,498,055,454.24 - Step 5: Solve for x
x = 176,498,055,454.24/550,579.91 - Step 6: Final answer
x = 320,567.56
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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.