Finding the Fourth Proportional to 361,494.24, 498,742.56 and 218,199.84
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Solution
The fourth proportional to 361,494.24, 498,742.56 and 218,199.84 is: 301,043.65
Step by Step Solution
- Step 1: Write the proportion equation
361,494.24 : 498,742.56 = 218,199.84 : x - Step 2: Convert to fraction form
361,494.24/498,742.56 = 218,199.84/x - Step 3: Cross multiply
361,494.24x = 498,742.56 × 218,199.84 - Step 4: Simplify right side
361,494.24x = 108,825,546,793.19 - Step 5: Solve for x
x = 108,825,546,793.19/361,494.24 - Step 6: Final answer
x = 301,043.65
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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.