Finding the Fourth Proportional to 460,826.10, 691,312.05 and 161,299.44
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Solution
The fourth proportional to 460,826.10, 691,312.05 and 161,299.44 is: 241,974.68
Step by Step Solution
- Step 1: Write the proportion equation
460,826.10 : 691,312.05 = 161,299.44 : x - Step 2: Convert to fraction form
460,826.10/691,312.05 = 161,299.44/x - Step 3: Cross multiply
460,826.10x = 691,312.05 × 161,299.44 - Step 4: Simplify right side
460,826.10x = 111,508,246,530.25 - Step 5: Solve for x
x = 111,508,246,530.25/460,826.10 - Step 6: Final answer
x = 241,974.68
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1.5x scale
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.