Finding the Fourth Proportional to 246,751.68, 369,819.84 and 128,352.96
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Solution
The fourth proportional to 246,751.68, 369,819.84 and 128,352.96 is: 192,369.39
Step by Step Solution
- Step 1: Write the proportion equation
246,751.68 : 369,819.84 = 128,352.96 : x - Step 2: Convert to fraction form
246,751.68/369,819.84 = 128,352.96/x - Step 3: Cross multiply
246,751.68x = 369,819.84 × 128,352.96 - Step 4: Simplify right side
246,751.68x = 47,467,471,130.73 - Step 5: Solve for x
x = 47,467,471,130.73/246,751.68 - Step 6: Final answer
x = 192,369.39
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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.