Finding the Fourth Proportional to 278,163.18, 383,861.84 and 150,837.26
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Solution
The fourth proportional to 278,163.18, 383,861.84 and 150,837.26 is: 208,153.59
Step by Step Solution
- Step 1: Write the proportion equation
278,163.18 : 383,861.84 = 150,837.26 : x - Step 2: Convert to fraction form
278,163.18/383,861.84 = 150,837.26/x - Step 3: Cross multiply
278,163.18x = 383,861.84 × 150,837.26 - Step 4: Simplify right side
278,163.18x = 57,900,665,490.66 - Step 5: Solve for x
x = 57,900,665,490.66/278,163.18 - Step 6: Final answer
x = 208,153.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.