Finding the Fourth Proportional to 381,748.80, 572,477.28 and 125,521.68
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Solution
The fourth proportional to 381,748.80, 572,477.28 and 125,521.68 is: 188,234.54
Step by Step Solution
- Step 1: Write the proportion equation
381,748.80 : 572,477.28 = 125,521.68 : x - Step 2: Convert to fraction form
381,748.80/572,477.28 = 125,521.68/x - Step 3: Cross multiply
381,748.80x = 572,477.28 × 125,521.68 - Step 4: Simplify right side
381,748.80x = 71,858,309,947.43 - Step 5: Solve for x
x = 71,858,309,947.43/381,748.80 - Step 6: Final answer
x = 188,234.54
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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.