Finding the Fourth Proportional to 349,213.99, 523,382.73 and 149,299.41
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Solution
The fourth proportional to 349,213.99, 523,382.73 and 149,299.41 is: 223,761.75
Step by Step Solution
- Step 1: Write the proportion equation
349,213.99 : 523,382.73 = 149,299.41 : x - Step 2: Convert to fraction form
349,213.99/523,382.73 = 149,299.41/x - Step 3: Cross multiply
349,213.99x = 523,382.73 × 149,299.41 - Step 4: Simplify right side
349,213.99x = 78,140,732,793.19 - Step 5: Solve for x
x = 78,140,732,793.19/349,213.99 - Step 6: Final answer
x = 223,761.75
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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.