Finding the Fourth Proportional to 251,165.05, 376,767.01 and 71,247.44
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Solution
The fourth proportional to 251,165.05, 376,767.01 and 71,247.44 is: 106,876.67
Step by Step Solution
- Step 1: Write the proportion equation
251,165.05 : 376,767.01 = 71,247.44 : x - Step 2: Convert to fraction form
251,165.05/376,767.01 = 71,247.44/x - Step 3: Cross multiply
251,165.05x = 376,767.01 × 71,247.44 - Step 4: Simplify right side
251,165.05x = 26,843,684,938.95 - Step 5: Solve for x
x = 26,843,684,938.95/251,165.05 - Step 6: Final answer
x = 106,876.67
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1.5x scale
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.