Finding the Fourth Proportional to 361,956.08, 499,476.84 and 218,631.44
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Solution
The fourth proportional to 361,956.08, 499,476.84 and 218,631.44 is: 301,697.77
Step by Step Solution
- Step 1: Write the proportion equation
361,956.08 : 499,476.84 = 218,631.44 : x - Step 2: Convert to fraction form
361,956.08/499,476.84 = 218,631.44/x - Step 3: Cross multiply
361,956.08x = 499,476.84 × 218,631.44 - Step 4: Simplify right side
361,956.08x = 109,201,340,775.85 - Step 5: Solve for x
x = 109,201,340,775.85/361,956.08 - Step 6: Final answer
x = 301,697.77
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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.