Finding the Fourth Proportional to 246,317,202.28, 338,107,094.60 and 217,815,430.96
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Solution
The fourth proportional to 246,317,202.28, 338,107,094.60 and 217,815,430.96 is: 298,984,162.86
Step by Step Solution
- Step 1: Write the proportion equation
246,317,202.28 : 338,107,094.60 = 217,815,430.96 : x - Step 2: Convert to fraction form
246,317,202.28/338,107,094.60 = 217,815,430.96/x - Step 3: Cross multiply
246,317,202.28x = 338,107,094.60 × 217,815,430.96 - Step 4: Simplify right side
246,317,202.28x = 73,644,942,520,932,496 - Step 5: Solve for x
x = 73,644,942,520,932,496/246,317,202.28 - Step 6: Final answer
x = 298,984,162.86
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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.