Finding the Fourth Proportional to 385,103.79, 577,473.39 and 225,225.99
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Solution
The fourth proportional to 385,103.79, 577,473.39 and 225,225.99 is: 337,732.37
Step by Step Solution
- Step 1: Write the proportion equation
385,103.79 : 577,473.39 = 225,225.99 : x - Step 2: Convert to fraction form
385,103.79/577,473.39 = 225,225.99/x - Step 3: Cross multiply
385,103.79x = 577,473.39 × 225,225.99 - Step 4: Simplify right side
385,103.79x = 130,062,015,961.41 - Step 5: Solve for x
x = 130,062,015,961.41/385,103.79 - Step 6: Final answer
x = 337,732.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.