Finding the Fourth Proportional to 298,739.92, 412,255.87 and 162,774.99
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Solution
The fourth proportional to 298,739.92, 412,255.87 and 162,774.99 is: 224,626.64
Step by Step Solution
- Step 1: Write the proportion equation
298,739.92 : 412,255.87 = 162,774.99 : x - Step 2: Convert to fraction form
298,739.92/412,255.87 = 162,774.99/x - Step 3: Cross multiply
298,739.92x = 412,255.87 × 162,774.99 - Step 4: Simplify right side
298,739.92x = 67,104,944,302.82 - Step 5: Solve for x
x = 67,104,944,302.82/298,739.92 - Step 6: Final answer
x = 224,626.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.