Finding the Fourth Proportional to 298,247.10, 447,370.66 and 108,721.68
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Solution
The fourth proportional to 298,247.10, 447,370.66 and 108,721.68 is: 163,082.52
Step by Step Solution
- Step 1: Write the proportion equation
298,247.10 : 447,370.66 = 108,721.68 : x - Step 2: Convert to fraction form
298,247.10/447,370.66 = 108,721.68/x - Step 3: Cross multiply
298,247.10x = 447,370.66 × 108,721.68 - Step 4: Simplify right side
298,247.10x = 48,638,890,312.73 - Step 5: Solve for x
x = 48,638,890,312.73/298,247.10 - Step 6: Final answer
x = 163,082.52
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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.