Finding the Fourth Proportional to 381,524.99, 572,281.63 and 128,982.87
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Solution
The fourth proportional to 381,524.99, 572,281.63 and 128,982.87 is: 193,472.33
Step by Step Solution
- Step 1: Write the proportion equation
381,524.99 : 572,281.63 = 128,982.87 : x - Step 2: Convert to fraction form
381,524.99/572,281.63 = 128,982.87/x - Step 3: Cross multiply
381,524.99x = 572,281.63 × 128,982.87 - Step 4: Simplify right side
381,524.99x = 73,814,526,763.22 - Step 5: Solve for x
x = 73,814,526,763.22/381,524.99 - Step 6: Final answer
x = 193,472.33
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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.