Finding the Fourth Proportional to 103,252.80, 154,860.75 and 27,351.90
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Solution
The fourth proportional to 103,252.80, 154,860.75 and 27,351.90 is: 41,022.96
Step by Step Solution
- Step 1: Write the proportion equation
103,252.80 : 154,860.75 = 27,351.90 : x - Step 2: Convert to fraction form
103,252.80/154,860.75 = 27,351.90/x - Step 3: Cross multiply
103,252.80x = 154,860.75 × 27,351.90 - Step 4: Simplify right side
103,252.80x = 4,235,735,747.93 - Step 5: Solve for x
x = 4,235,735,747.93/103,252.80 - Step 6: Final answer
x = 41,022.96
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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.