Finding the Fourth Proportional to 174,079.68, 261,119.67 and 47,721.30
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Solution
The fourth proportional to 174,079.68, 261,119.67 and 47,721.30 is: 71,581.99
Step by Step Solution
- Step 1: Write the proportion equation
174,079.68 : 261,119.67 = 47,721.30 : x - Step 2: Convert to fraction form
174,079.68/261,119.67 = 47,721.30/x - Step 3: Cross multiply
174,079.68x = 261,119.67 × 47,721.30 - Step 4: Simplify right side
174,079.68x = 12,460,970,107.97 - Step 5: Solve for x
x = 12,460,970,107.97/174,079.68 - Step 6: Final answer
x = 71,581.99
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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.