Finding the Fourth Proportional to 228,838.12, 343,252.86 and 71,063.08
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Solution
The fourth proportional to 228,838.12, 343,252.86 and 71,063.08 is: 106,593.28
Step by Step Solution
- Step 1: Write the proportion equation
228,838.12 : 343,252.86 = 71,063.08 : x - Step 2: Convert to fraction form
228,838.12/343,252.86 = 71,063.08/x - Step 3: Cross multiply
228,838.12x = 343,252.86 × 71,063.08 - Step 4: Simplify right side
228,838.12x = 24,392,605,450.41 - Step 5: Solve for x
x = 24,392,605,450.41/228,838.12 - Step 6: Final answer
x = 106,593.28
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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.