Finding the Fourth Proportional to 446,917.05, 616,757.68 and 242,981.68
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Solution
The fourth proportional to 446,917.05, 616,757.68 and 242,981.68 is: 335,321.33
Step by Step Solution
- Step 1: Write the proportion equation
446,917.05 : 616,757.68 = 242,981.68 : x - Step 2: Convert to fraction form
446,917.05/616,757.68 = 242,981.68/x - Step 3: Cross multiply
446,917.05x = 616,757.68 × 242,981.68 - Step 4: Simplify right side
446,917.05x = 149,860,817,239.30 - Step 5: Solve for x
x = 149,860,817,239.30/446,917.05 - Step 6: Final answer
x = 335,321.33
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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.