Finding the Fourth Proportional to 385,251.12, 577,819.44 and 148,564.26
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Solution
The fourth proportional to 385,251.12, 577,819.44 and 148,564.26 is: 222,824.32
Step by Step Solution
- Step 1: Write the proportion equation
385,251.12 : 577,819.44 = 148,564.26 : x - Step 2: Convert to fraction form
385,251.12/577,819.44 = 148,564.26/x - Step 3: Cross multiply
385,251.12x = 577,819.44 × 148,564.26 - Step 4: Simplify right side
385,251.12x = 85,843,317,517.21 - Step 5: Solve for x
x = 85,843,317,517.21/385,251.12 - Step 6: Final answer
x = 222,824.32
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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.