Finding the Fourth Proportional to 246,317,198.28, 338,107,089.12 and 217,815,426.96
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Solution
The fourth proportional to 246,317,198.28, 338,107,089.12 and 217,815,426.96 is: 298,984,157.38
Step by Step Solution
- Step 1: Write the proportion equation
246,317,198.28 : 338,107,089.12 = 217,815,426.96 : x - Step 2: Convert to fraction form
246,317,198.28/338,107,089.12 = 217,815,426.96/x - Step 3: Cross multiply
246,317,198.28x = 338,107,089.12 × 217,815,426.96 - Step 4: Simplify right side
246,317,198.28x = 73,644,939,974,875,568 - Step 5: Solve for x
x = 73,644,939,974,875,568/246,317,198.28 - Step 6: Final answer
x = 298,984,157.38
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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.