Finding the Fourth Proportional to 228,924.30, 343,438.65 and 71,168.70
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Solution
The fourth proportional to 228,924.30, 343,438.65 and 71,168.70 is: 106,769.28
Step by Step Solution
- Step 1: Write the proportion equation
228,924.30 : 343,438.65 = 71,168.70 : x - Step 2: Convert to fraction form
228,924.30/343,438.65 = 71,168.70/x - Step 3: Cross multiply
228,924.30x = 343,438.65 × 71,168.70 - Step 4: Simplify right side
228,924.30x = 24,442,082,250.26 - Step 5: Solve for x
x = 24,442,082,250.26/228,924.30 - Step 6: Final answer
x = 106,769.28
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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.