Finding the Fourth Proportional to 415,654.21, 621,924.37 and 295,987.73
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Solution
The fourth proportional to 415,654.21, 621,924.37 and 295,987.73 is: 442,872.88
Step by Step Solution
- Step 1: Write the proportion equation
415,654.21 : 621,924.37 = 295,987.73 : x - Step 2: Convert to fraction form
415,654.21/621,924.37 = 295,987.73/x - Step 3: Cross multiply
415,654.21x = 621,924.37 × 295,987.73 - Step 4: Simplify right side
415,654.21x = 184,081,978,679.44 - Step 5: Solve for x
x = 184,081,978,679.44/415,654.21 - Step 6: Final answer
x = 442,872.88
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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.