Finding the Fourth Proportional to 288,805.12, 433,207.68 and 190,286.08
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Solution
The fourth proportional to 288,805.12, 433,207.68 and 190,286.08 is: 285,429.12
Step by Step Solution
- Step 1: Write the proportion equation
288,805.12 : 433,207.68 = 190,286.08 : x - Step 2: Convert to fraction form
288,805.12/433,207.68 = 190,286.08/x - Step 3: Cross multiply
288,805.12x = 433,207.68 × 190,286.08 - Step 4: Simplify right side
288,805.12x = 82,433,391,253.09 - Step 5: Solve for x
x = 82,433,391,253.09/288,805.12 - Step 6: Final answer
x = 285,429.12
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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.