Finding the Fourth Proportional to 355,709.19, 533,524.47 and 89,469.81
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Solution
The fourth proportional to 355,709.19, 533,524.47 and 89,469.81 is: 134,194.83
Step by Step Solution
- Step 1: Write the proportion equation
355,709.19 : 533,524.47 = 89,469.81 : x - Step 2: Convert to fraction form
355,709.19/533,524.47 = 89,469.81/x - Step 3: Cross multiply
355,709.19x = 533,524.47 × 89,469.81 - Step 4: Simplify right side
355,709.19x = 47,734,332,961.25 - Step 5: Solve for x
x = 47,734,332,961.25/355,709.19 - Step 6: Final answer
x = 134,194.83
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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.