Finding the Fourth Proportional to 167,748.28, 231,565.26 and 119,918.68
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Solution
The fourth proportional to 167,748.28, 231,565.26 and 119,918.68 is: 165,539.70
Step by Step Solution
- Step 1: Write the proportion equation
167,748.28 : 231,565.26 = 119,918.68 : x - Step 2: Convert to fraction form
167,748.28/231,565.26 = 119,918.68/x - Step 3: Cross multiply
167,748.28x = 231,565.26 × 119,918.68 - Step 4: Simplify right side
167,748.28x = 27,769,000,313.06 - Step 5: Solve for x
x = 27,769,000,313.06/167,748.28 - Step 6: Final answer
x = 165,539.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.