Finding the Fourth Proportional to 304,446.40, 420,135.44 and 170,310.40
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Solution
The fourth proportional to 304,446.40, 420,135.44 and 170,310.40 is: 235,028.02
Step by Step Solution
- Step 1: Write the proportion equation
304,446.40 : 420,135.44 = 170,310.40 : x - Step 2: Convert to fraction form
304,446.40/420,135.44 = 170,310.40/x - Step 3: Cross multiply
304,446.40x = 420,135.44 × 170,310.40 - Step 4: Simplify right side
304,446.40x = 71,553,434,840.58 - Step 5: Solve for x
x = 71,553,434,840.58/304,446.40 - Step 6: Final answer
x = 235,028.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.