Finding the Fourth Proportional to 149,412.97, 223,750.41 and 111,371.05
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Solution
The fourth proportional to 149,412.97, 223,750.41 and 111,371.05 is: 166,781.49
Step by Step Solution
- Step 1: Write the proportion equation
149,412.97 : 223,750.41 = 111,371.05 : x - Step 2: Convert to fraction form
149,412.97/223,750.41 = 111,371.05/x - Step 3: Cross multiply
149,412.97x = 223,750.41 × 111,371.05 - Step 4: Simplify right side
149,412.97x = 24,919,318,099.63 - Step 5: Solve for x
x = 24,919,318,099.63/149,412.97 - Step 6: Final answer
x = 166,781.49
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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.