Finding the Fourth Proportional to 270,638.21, 405,638.98 and 110,615.42
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Solution
The fourth proportional to 270,638.21, 405,638.98 and 110,615.42 is: 165,793.02
Step by Step Solution
- Step 1: Write the proportion equation
270,638.21 : 405,638.98 = 110,615.42 : x - Step 2: Convert to fraction form
270,638.21/405,638.98 = 110,615.42/x - Step 3: Cross multiply
270,638.21x = 405,638.98 × 110,615.42 - Step 4: Simplify right side
270,638.21x = 44,869,926,141.07 - Step 5: Solve for x
x = 44,869,926,141.07/270,638.21 - Step 6: Final answer
x = 165,793.02
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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.