Finding the Fourth Proportional to 288,930.70, 433,266.45 and 111,378.70
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Solution
The fourth proportional to 288,930.70, 433,266.45 and 111,378.70 is: 167,018.09
Step by Step Solution
- Step 1: Write the proportion equation
288,930.70 : 433,266.45 = 111,378.70 : x - Step 2: Convert to fraction form
288,930.70/433,266.45 = 111,378.70/x - Step 3: Cross multiply
288,930.70x = 433,266.45 × 111,378.70 - Step 4: Simplify right side
288,930.70x = 48,256,653,954.62 - Step 5: Solve for x
x = 48,256,653,954.62/288,930.70 - Step 6: Final answer
x = 167,018.09
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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.