Finding the Fourth Proportional to 298,154.99, 446,103.93 and 176,640.79
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Solution
The fourth proportional to 298,154.99, 446,103.93 and 176,640.79 is: 264,292.58
Step by Step Solution
- Step 1: Write the proportion equation
298,154.99 : 446,103.93 = 176,640.79 : x - Step 2: Convert to fraction form
298,154.99/446,103.93 = 176,640.79/x - Step 3: Cross multiply
298,154.99x = 446,103.93 × 176,640.79 - Step 4: Simplify right side
298,154.99x = 78,800,150,617.30 - Step 5: Solve for x
x = 78,800,150,617.30/298,154.99 - Step 6: Final answer
x = 264,292.58
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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.