Finding the Fourth Proportional to 458,769.44, 688,120.14 and 192,519.20
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Solution
The fourth proportional to 458,769.44, 688,120.14 and 192,519.20 is: 288,764.52
Step by Step Solution
- Step 1: Write the proportion equation
458,769.44 : 688,120.14 = 192,519.20 : x - Step 2: Convert to fraction form
458,769.44/688,120.14 = 192,519.20/x - Step 3: Cross multiply
458,769.44x = 688,120.14 × 192,519.20 - Step 4: Simplify right side
458,769.44x = 132,476,338,856.69 - Step 5: Solve for x
x = 132,476,338,856.69/458,769.44 - Step 6: Final answer
x = 288,764.52
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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.