Finding the Fourth Proportional to 245,000.20, 367,208.70 and 102,845.20
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Solution
The fourth proportional to 245,000.20, 367,208.70 and 102,845.20 is: 154,145.39
Step by Step Solution
- Step 1: Write the proportion equation
245,000.20 : 367,208.70 = 102,845.20 : x - Step 2: Convert to fraction form
245,000.20/367,208.70 = 102,845.20/x - Step 3: Cross multiply
245,000.20x = 367,208.70 × 102,845.20 - Step 4: Simplify right side
245,000.20x = 37,765,652,193.24 - Step 5: Solve for x
x = 37,765,652,193.24/245,000.20 - Step 6: Final answer
x = 154,145.39
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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.