Finding the Fourth Proportional to 110,154.18, 165,230.97 and 31,268.49
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Solution
The fourth proportional to 110,154.18, 165,230.97 and 31,268.49 is: 46,902.65
Step by Step Solution
- Step 1: Write the proportion equation
110,154.18 : 165,230.97 = 31,268.49 : x - Step 2: Convert to fraction form
110,154.18/165,230.97 = 31,268.49/x - Step 3: Cross multiply
110,154.18x = 165,230.97 × 31,268.49 - Step 4: Simplify right side
110,154.18x = 5,166,522,933.14 - Step 5: Solve for x
x = 5,166,522,933.14/110,154.18 - Step 6: Final answer
x = 46,902.65
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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.