Finding the Fourth Proportional to 491,902.64, 737,214.86 and 221,832.44
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Solution
The fourth proportional to 491,902.64, 737,214.86 and 221,832.44 is: 332,460.45
Step by Step Solution
- Step 1: Write the proportion equation
491,902.64 : 737,214.86 = 221,832.44 : x - Step 2: Convert to fraction form
491,902.64/737,214.86 = 221,832.44/x - Step 3: Cross multiply
491,902.64x = 737,214.86 × 221,832.44 - Step 4: Simplify right side
491,902.64x = 163,538,173,595.68 - Step 5: Solve for x
x = 163,538,173,595.68/491,902.64 - Step 6: Final answer
x = 332,460.45
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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.