Finding the Fourth Proportional to 246,317,165.26, 338,107,043.55 and 217,815,393.94
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Solution
The fourth proportional to 246,317,165.26, 338,107,043.55 and 217,815,393.94 is: 298,984,111.83
Step by Step Solution
- Step 1: Write the proportion equation
246,317,165.26 : 338,107,043.55 = 217,815,393.94 : x - Step 2: Convert to fraction form
246,317,165.26/338,107,043.55 = 217,815,393.94/x - Step 3: Cross multiply
246,317,165.26x = 338,107,043.55 × 217,815,393.94 - Step 4: Simplify right side
246,317,165.26x = 73,644,918,884,731,984 - Step 5: Solve for x
x = 73,644,918,884,731,984/246,317,165.26 - Step 6: Final answer
x = 298,984,111.83
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.