Finding the Fourth Proportional to 453,745.41, 680,618.33 and 187,212.98
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Solution
The fourth proportional to 453,745.41, 680,618.33 and 187,212.98 is: 280,819.55
Step by Step Solution
- Step 1: Write the proportion equation
453,745.41 : 680,618.33 = 187,212.98 : x - Step 2: Convert to fraction form
453,745.41/680,618.33 = 187,212.98/x - Step 3: Cross multiply
453,745.41x = 680,618.33 × 187,212.98 - Step 4: Simplify right side
453,745.41x = 127,420,581,462.77 - Step 5: Solve for x
x = 127,420,581,462.77/453,745.41 - Step 6: Final answer
x = 280,819.55
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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.