Finding the Fourth Proportional to 218,282.12, 301,226.58 and 122,789.48
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Solution
The fourth proportional to 218,282.12, 301,226.58 and 122,789.48 is: 169,447.94
Step by Step Solution
- Step 1: Write the proportion equation
218,282.12 : 301,226.58 = 122,789.48 : x - Step 2: Convert to fraction form
218,282.12/301,226.58 = 122,789.48/x - Step 3: Cross multiply
218,282.12x = 301,226.58 × 122,789.48 - Step 4: Simplify right side
218,282.12x = 36,987,455,120.38 - Step 5: Solve for x
x = 36,987,455,120.38/218,282.12 - Step 6: Final answer
x = 169,447.94
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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.