Finding the Fourth Proportional to 420,793.92, 631,203.84 and 184,014.72
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Solution
The fourth proportional to 420,793.92, 631,203.84 and 184,014.72 is: 276,027.75
Step by Step Solution
- Step 1: Write the proportion equation
420,793.92 : 631,203.84 = 184,014.72 : x - Step 2: Convert to fraction form
420,793.92/631,203.84 = 184,014.72/x - Step 3: Cross multiply
420,793.92x = 631,203.84 × 184,014.72 - Step 4: Simplify right side
420,793.92x = 116,150,797,880.53 - Step 5: Solve for x
x = 116,150,797,880.53/420,793.92 - Step 6: Final answer
x = 276,027.75
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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.