Finding the Fourth Proportional to 446,917.42, 616,758.20 and 242,982.06
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Solution
The fourth proportional to 446,917.42, 616,758.20 and 242,982.06 is: 335,321.84
Step by Step Solution
- Step 1: Write the proportion equation
446,917.42 : 616,758.20 = 242,982.06 : x - Step 2: Convert to fraction form
446,917.42/616,758.20 = 242,982.06/x - Step 3: Cross multiply
446,917.42x = 616,758.20 × 242,982.06 - Step 4: Simplify right side
446,917.42x = 149,861,173,659.19 - Step 5: Solve for x
x = 149,861,173,659.19/446,917.42 - Step 6: Final answer
x = 335,321.84
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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.