Finding the Fourth Proportional to 420,794.92, 631,205.34 and 184,015.72
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Solution
The fourth proportional to 420,794.92, 631,205.34 and 184,015.72 is: 276,029.25
Step by Step Solution
- Step 1: Write the proportion equation
420,794.92 : 631,205.34 = 184,015.72 : x - Step 2: Convert to fraction form
420,794.92/631,205.34 = 184,015.72/x - Step 3: Cross multiply
420,794.92x = 631,205.34 × 184,015.72 - Step 4: Simplify right side
420,794.92x = 116,151,705,107.95 - Step 5: Solve for x
x = 116,151,705,107.95/420,794.92 - Step 6: Final answer
x = 276,029.25
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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.