Finding the Fourth Proportional to 84,232.20, 126,348.30 and 34,295.70
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Solution
The fourth proportional to 84,232.20, 126,348.30 and 34,295.70 is: 51,443.55
Step by Step Solution
- Step 1: Write the proportion equation
84,232.20 : 126,348.30 = 34,295.70 : x - Step 2: Convert to fraction form
84,232.20/126,348.30 = 34,295.70/x - Step 3: Cross multiply
84,232.20x = 126,348.30 × 34,295.70 - Step 4: Simplify right side
84,232.20x = 4,333,203,392.31 - Step 5: Solve for x
x = 4,333,203,392.31/84,232.20 - Step 6: Final answer
x = 51,443.55
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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.