Finding the Fourth Proportional to 147,354.19, 203,348.78 and 80,286.19
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Solution
The fourth proportional to 147,354.19, 203,348.78 and 80,286.19 is: 110,794.94
Step by Step Solution
- Step 1: Write the proportion equation
147,354.19 : 203,348.78 = 80,286.19 : x - Step 2: Convert to fraction form
147,354.19/203,348.78 = 80,286.19/x - Step 3: Cross multiply
147,354.19x = 203,348.78 × 80,286.19 - Step 4: Simplify right side
147,354.19x = 16,326,098,178.62 - Step 5: Solve for x
x = 16,326,098,178.62/147,354.19 - Step 6: Final answer
x = 110,794.94
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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.