Finding the Fourth Proportional to 251,251.40, 376,877.10 and 110,937.80
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Solution
The fourth proportional to 251,251.40, 376,877.10 and 110,937.80 is: 166,406.70
Step by Step Solution
- Step 1: Write the proportion equation
251,251.40 : 376,877.10 = 110,937.80 : x - Step 2: Convert to fraction form
251,251.40/376,877.10 = 110,937.80/x - Step 3: Cross multiply
251,251.40x = 376,877.10 × 110,937.80 - Step 4: Simplify right side
251,251.40x = 41,809,916,344.38 - Step 5: Solve for x
x = 41,809,916,344.38/251,251.40 - Step 6: Final answer
x = 166,406.70
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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.