Finding the Fourth Proportional to 103,170.23, 154,778.57 and 36,610.26
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Solution
The fourth proportional to 103,170.23, 154,778.57 and 36,610.26 is: 54,923.63
Step by Step Solution
- Step 1: Write the proportion equation
103,170.23 : 154,778.57 = 36,610.26 : x - Step 2: Convert to fraction form
103,170.23/154,778.57 = 36,610.26/x - Step 3: Cross multiply
103,170.23x = 154,778.57 × 36,610.26 - Step 4: Simplify right side
103,170.23x = 5,666,483,690.13 - Step 5: Solve for x
x = 5,666,483,690.13/103,170.23 - Step 6: Final answer
x = 54,923.63
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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.