Finding the Fourth Proportional to 192,029.10, 288,043.65 and 125,544.30
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Solution
The fourth proportional to 192,029.10, 288,043.65 and 125,544.30 is: 188,316.45
Step by Step Solution
- Step 1: Write the proportion equation
192,029.10 : 288,043.65 = 125,544.30 : x - Step 2: Convert to fraction form
192,029.10/288,043.65 = 125,544.30/x - Step 3: Cross multiply
192,029.10x = 288,043.65 × 125,544.30 - Step 4: Simplify right side
192,029.10x = 36,162,238,408.70 - Step 5: Solve for x
x = 36,162,238,408.70/192,029.10 - Step 6: Final answer
x = 188,316.45
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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.