Finding the Fourth Proportional to 149,949.56, 225,165.30 and 99,426.62
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Solution
The fourth proportional to 149,949.56, 225,165.30 and 99,426.62 is: 149,299.70
Step by Step Solution
- Step 1: Write the proportion equation
149,949.56 : 225,165.30 = 99,426.62 : x - Step 2: Convert to fraction form
149,949.56/225,165.30 = 99,426.62/x - Step 3: Cross multiply
149,949.56x = 225,165.30 × 99,426.62 - Step 4: Simplify right side
149,949.56x = 22,387,424,720.29 - Step 5: Solve for x
x = 22,387,424,720.29/149,949.56 - Step 6: Final answer
x = 149,299.70
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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.