Finding the Fourth Proportional to 89,471.70, 134,207.21 and 22,911.74
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Solution
The fourth proportional to 89,471.70, 134,207.21 and 22,911.74 is: 34,367.52
Step by Step Solution
- Step 1: Write the proportion equation
89,471.70 : 134,207.21 = 22,911.74 : x - Step 2: Convert to fraction form
89,471.70/134,207.21 = 22,911.74/x - Step 3: Cross multiply
89,471.70x = 134,207.21 × 22,911.74 - Step 4: Simplify right side
89,471.70x = 3,074,920,591.17 - Step 5: Solve for x
x = 3,074,920,591.17/89,471.70 - Step 6: Final answer
x = 34,367.52
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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.