Finding the Fourth Proportional to 79,828.19, 119,742.28 and 27,237.67
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Solution
The fourth proportional to 79,828.19, 119,742.28 and 27,237.67 is: 40,856.50
Step by Step Solution
- Step 1: Write the proportion equation
79,828.19 : 119,742.28 = 27,237.67 : x - Step 2: Convert to fraction form
79,828.19/119,742.28 = 27,237.67/x - Step 3: Cross multiply
79,828.19x = 119,742.28 × 27,237.67 - Step 4: Simplify right side
79,828.19x = 3,261,500,707.69 - Step 5: Solve for x
x = 3,261,500,707.69/79,828.19 - Step 6: Final answer
x = 40,856.50
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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.