Finding the Fourth Proportional to 415,842.96, 623,660.44 and 163,174.80
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Solution
The fourth proportional to 415,842.96, 623,660.44 and 163,174.80 is: 244,721.39
Step by Step Solution
- Step 1: Write the proportion equation
415,842.96 : 623,660.44 = 163,174.80 : x - Step 2: Convert to fraction form
415,842.96/623,660.44 = 163,174.80/x - Step 3: Cross multiply
415,842.96x = 623,660.44 × 163,174.80 - Step 4: Simplify right side
415,842.96x = 101,765,667,564.91 - Step 5: Solve for x
x = 101,765,667,564.91/415,842.96 - Step 6: Final answer
x = 244,721.39
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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.