Finding the Fourth Proportional to 144,135.12, 216,214.20 and 50,661.84
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Solution
The fourth proportional to 144,135.12, 216,214.20 and 50,661.84 is: 75,996.81
Step by Step Solution
- Step 1: Write the proportion equation
144,135.12 : 216,214.20 = 50,661.84 : x - Step 2: Convert to fraction form
144,135.12/216,214.20 = 50,661.84/x - Step 3: Cross multiply
144,135.12x = 216,214.20 × 50,661.84 - Step 4: Simplify right side
144,135.12x = 10,953,809,206.13 - Step 5: Solve for x
x = 10,953,809,206.13/144,135.12 - Step 6: Final answer
x = 75,996.81
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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.