Finding the Fourth Proportional to 99,451.28, 149,155.28 and 32,875.68
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Solution
The fourth proportional to 99,451.28, 149,155.28 and 32,875.68 is: 49,306.37
Step by Step Solution
- Step 1: Write the proportion equation
99,451.28 : 149,155.28 = 32,875.68 : x - Step 2: Convert to fraction form
99,451.28/149,155.28 = 32,875.68/x - Step 3: Cross multiply
99,451.28x = 149,155.28 × 32,875.68 - Step 4: Simplify right side
99,451.28x = 4,903,581,255.59 - Step 5: Solve for x
x = 4,903,581,255.59/99,451.28 - Step 6: Final answer
x = 49,306.37
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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.