Finding the Fourth Proportional to 125,242.44, 187,860.36 and 36,520.44
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Solution
The fourth proportional to 125,242.44, 187,860.36 and 36,520.44 is: 54,779.70
Step by Step Solution
- Step 1: Write the proportion equation
125,242.44 : 187,860.36 = 36,520.44 : x - Step 2: Convert to fraction form
125,242.44/187,860.36 = 36,520.44/x - Step 3: Cross multiply
125,242.44x = 187,860.36 × 36,520.44 - Step 4: Simplify right side
125,242.44x = 6,860,743,005.76 - Step 5: Solve for x
x = 6,860,743,005.76/125,242.44 - Step 6: Final answer
x = 54,779.70
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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.